Trosolwg
Mae'r Athro Peter North yn aelod o'r Adran Ddaearyddiaeth ym Mhrifysgol Abertawe.
Yr Athro Peter North
Cadair Bersonol,
Geography
Swyddfa Academaidd - 242
Ail lawr
Adeilad Wallace
Campws Singleton
Ail lawr
Adeilad Wallace
Campws Singleton
Ar gael ar gyfer Goruchwyliaeth Ôl-raddedig
Meysydd Arbenigedd
- Synhwyro tir ac atmosffer o bell gan ddefnyddio lloeren
- Modelu rhyngweithio wyneb tir â'r atmosffer
Uchafbwyntiau Gyrfa
Ymchwil
Fy niddordeb yw defnyddio synhwyro lloeren byd-eang o bell i wella ein dealltwriaeth o newid yn yr hinsawdd, adnoddau coedwigoedd ac yn arbennig rôl rhyngweithiadau tir/atmosffer. Rydw i wedi datblygu model trafnidiaeth ysgafn a ddefnyddir yn eang ar gyfer y parth optegol (FLIGHT), yn seiliedig ar ateb Monte Carlo o drosglwyddiad ymbelydrol (North, IEEE 1996). Defnyddir hyn i fodelu ffotosynthesis llystyfiant ac effeithlonrwydd defnydd o olau, i gysylltu sbectra wedi'u mesur â lloeren i briodoleddau arwyneb tir, ac mae wedi'i ymestyn yn ddiweddar i fodelu canfod ac amrywio golau (LiDAR) (North et al., 2010, Morton et al., 2014). Ar hyn o bryd, mae'r gorfodi gan aerosolau atmosfferig yn ansicrwydd allweddol mewn modelau newid yn yr hinsawdd, ac wrth fesur yn gywir adlewyrchiant y Ddaear. Rwyf wedi datblygu dull ar gyfer amcangyfrif llwyth aerosol atmosfferig ac adlewyrchiant wyneb, sy'n berthnasol i synwyryddion delweddu aml-ongl (North, 2002, Bevan et al., 2012). Mae'r dull bellach wedi'i roi ar waith ar gyfer offerynnau Asiantaeth Gofod Ewrop ATSR-2 ac AATSR o dan Fenter Newid yn yr Hinsawdd ESA, ac mae'n cael ei ddatblygu i'w gymhwyso i Orchwyl GMES Sentinel-3, i'w lansio yn 2015.
Cyhoeddiadau
Uchafbwyntiau Ymchwil
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Hornero, A., Zarco-Tejada, P., Quero, J., North, P., Ruiz-Gómez, F., Sánchez-Cuesta, R., & Hernandez-Clemente, R. (2021). Modelling hyperspectral- and thermal-based plant traits for the early detection of Phytophthora-induced symptoms in oak decline. Remote Sensing of Environment, 263, 112570
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Hornero, A., North, P., Zarco-Tejada, P., Rascher, U., Martín, M., Migliavacca, M., & Hernandez-Clemente, R. (2021). Assessing the contribution of understory sun-induced chlorophyll fluorescence through 3-D radiative transfer modelling and field data. Remote Sensing of Environment, 253, 112195
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Los, S., Weedon, G., North, P., Kaduk, J., Taylor, C., & Cox, P. (2006). An observation-based estimate of the strength of rainfall-vegetation interactions in the Sahel. Geophysical Research Letters, 33(16)
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Alton, P., North, P., Kaduk, J., & Los, S. (2005). Radiative transfer modeling of direct and diffuse sunlight in a Siberian pine forest. Journal of Geophysical Research, 110(D23)
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ALTON, P., NORTH, P., LOS, S., North, P., Los, S., & Alton, P. (2007). The impact of diffuse sunlight on canopy light-use efficiency, gross photosynthetic product and net ecosystem exchange in three forest biomes. Global Change Biology, 13(4), 776-787.
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Alton, P., Mercado, L., North, P., North, P., & Alton, P. (2007). A sensitivity analysis of the land-surface scheme JULES conducted for three forest biomes: Biophysical parameters, model processes, and meteorological driving data. Global Biogeochemical Cycles, 20(1)
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Alton, P., Ellis, R., Los, S., North, P., North, P., Los, S., & Alton, P. (2007). Improved global simulations of gross primary product based on a separate and explicit treatment of diffuse and direct sunlight. Journal of Geophysical Research, 112(D7)
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Los, S., Rosette, J., Kljun, N., North, P., Chasmer, L., Suárez, J., Hopkinson, C., Hill, R., Gorsel, E., Mahoney, C., Berni, J., North, P., Los, S., Rosette, J., & Kljun, N. (2012). Vegetation height and cover fraction between 60° S and 60° N from ICESat GLAS data. Geoscientific Model Development, 5, 413-432.
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Rosette, J., Suárez, J., North, P., & Los, S. (2011). Forestry Applications for Satellite Lidar Remote Sensing. Photogrammetric Engineering & Remote Sensing, 77(3), 271-279.
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Holzer-Popp, T., Leeuw, G., Griesfeller, J., Martynenko, D., Klüser, L., Bevan, S., Davies, W., Ducos, F., Deuzé, J., Graigner, R., Heckel, A., Hoyningen-Hüne, W., Kolmonen, P., Litvinov, P., North, P., Poulsen, C., Ramon, D., Siddans, R., Sogacheva, L...., & Bevan, S. (2013). Aerosol retrieval experiments in the ESA Aerosol_cci project. Atmospheric Measurement Techniques, 6(8), 1919-1957.
Holl Ymchwil
Erthyglau Cylchgronau
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Sogacheva, L., Denisselle, M., Kolmonen, P., Virtanen, T., North, P., Henocq, C., Scifoni, S., & Dransfeld, S. (2022). Extended validation and evaluation of the OLCI–SLSTR SYNERGY aerosol product (SY_2_AOD) on Sentinel-3. Atmospheric Measurement Techniques, 15(18), 5289-5322.
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Vogel, A., Alessa, G., Scheele, R., Weber, L., Dubovik, O., North, P., & Fiedler, S. (2022). Uncertainty in Aerosol Optical Depth From Modern Aerosol‐Climate Models, Reanalyses, and Satellite Products. Journal of Geophysical Research: Atmospheres, 127(2)
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Hornero, A., Zarco-Tejada, P., Quero, J., North, P., Ruiz-Gómez, F., Sánchez-Cuesta, R., & Hernandez-Clemente, R. (2021). Modelling hyperspectral- and thermal-based plant traits for the early detection of Phytophthora-induced symptoms in oak decline. Remote Sensing of Environment, 263, 112570
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Hornero, A., North, P., Zarco-Tejada, P., Rascher, U., Martín, M., Migliavacca, M., & Hernandez-Clemente, R. (2021). Assessing the contribution of understory sun-induced chlorophyll fluorescence through 3-D radiative transfer modelling and field data. Remote Sensing of Environment, 253, 112195
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Gliß, J., Mortier, A., Schulz, M., Andrews, E., Balkanski, Y., Bauer, S., Benedictow, A., Bian, H., Checa-Garcia, R., Chin, M., Ginoux, P., Griesfeller, J., Heckel, A., Kipling, Z., Kirkevåg, A., Kokkola, H., Laj, P., Sager, P., Lund, M...., & Tsyro, S. (2021). AeroCom phase III multi-model evaluation of the aerosol life cycle and optical properties using ground- and space-based remote sensing as well as surface in situ observations. Atmospheric Chemistry and Physics, 21(1), 87-128.
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Schutgens, N., Sayer, A., Heckel, A., Hsu, C., Jethva, H., Leeuw, G., Leonard, P., Levy, R., Lipponen, A., Lyapustin, A., North, P., Popp, T., Poulsen, C., Sawyer, V., Sogacheva, L., Thomas, G., Torres, O., Wang, Y., Kinne, S...., & Stier, P. (2020). An AeroCom–AeroSat study: intercomparison of satellite AOD datasets for aerosol model evaluation. Atmospheric Chemistry and Physics, 20(21), 12431-12457.
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García, M., North, P., Viana-Soto, A., Stavros, N., Rosette, J., Martín, M., Franquesa, M., González-Cascón, R., Riaño, D., Becerra, J., & Zhao, K. (2020). Evaluating the potential of LiDAR data for fire damage assessment: A radiative transfer model approach. Remote Sensing of Environment, 247, 111893
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Sogacheva, L., Popp, T., Sayer, A., Dubovik, O., Garay, M., Heckel, A., Hsu, N., Jethva, H., Kahn, R., Kolmonen, P., Kosmale, M., Leeuw, G., Levy, R., Litvinov, P., Lyapustin, A., North, P., Torres, O., & Arola, A. (2020). Merging regional and global aerosol optical depth records from major available satellite products. Atmospheric Chemistry and Physics, 20(4), 2031-2056.
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Sogacheva, L., Popp, T., Sayer, A., Dubovik, O., Garay, M., Heckel, A., Hsu, N., Jethva, H., Kahn, R., Kolmonen, P., Kosmale, M., Leeuw, G., Levy, R., Litvinov, P., Lyapustin, A., North, P., Torres, O., & Arola, A. (2020). Merging regional and global aerosol optical depth records from major available satellite products. Atmospheric Chemistry and Physics, 20(4), 2031-2056.
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Sogacheva, L., Popp, T., Sayer, A., Dubovik, O., Garay, M., Heckel, A., Hsu, N., Jethva, H., Kahn, R., Kolmonen, P., Kosmale, M., Leeuw, G., Levy, R., Litvinov, P., Lyapustin, A., North, P., Torres, O., & Arola, A. (2020). Merging regional and global aerosol optical depth records from major available satellite products. Atmospheric Chemistry and Physics, 20(4), 2031-2056.
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Chen, B., Pang, Y., Li, Z., Lu, H., North, P., Rosette, J., & Yan, M. (2020). Forest signal detection for photon counting LiDAR using Random Forest. Remote Sensing Letters, 11(1), 37-46.
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Hornero, A., Hernandez-Clemente, R., North, P., Beck, P., Boscia, D., Navas-Cortes, J., & Zarco-Tejada, P. (2020). Monitoring the incidence of Xylella fastidiosa infection in olive orchards using ground-based evaluations, airborne imaging spectroscopy and Sentinel-2 time series through 3-D radiative transfer modelling. Remote Sensing of Environment, 236, 111480
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Chen, B., Pang, Y., Li, Z., Lu, H., Liu, L., North, P., Rosette, J., & Rosette, J. (2019). Ground and Top of Canopy Extraction From Photon-Counting LiDAR Data Using Local Outlier Factor With Ellipse Searching Area. IEEE Geoscience and Remote Sensing Letters, 16(9), 1447-1451.
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Chen, B., Pang, Y., Li, Z., North, P., Rosette, J., Sun, G., Suarez-Minguez, J., Bye, I., & Lu, H. (2019). Potential of Forest Parameter Estimation Using Metrics from Photon Counting LiDAR Data in Howland Research Forest. Remote Sensing, 11(7), 856
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Melendo-Vega, J., Martín, M., Pacheco-Labrador, J., González-Cascón, R., Moreno, G., Pérez, F., Migliavacca, M., García, M., North, P., & Riaño, D. (2018). Improving the Performance of 3-D Radiative Transfer Model FLIGHT to Simulate Optical Properties of a Tree-Grass Ecosystem. Remote Sensing, 10(12), 2061
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Che, Y., Mei, L., Xue, Y., Guang, J., She, L., Li, Y., Heckel, A., & North, P. (2018). Validation of Aerosol Products from AATSR and MERIS/AATSR Synergy Algorithms—Part 1: Global Evaluation. Remote Sensing, 10(9), 1414
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Brühl, C., Schallock, J., Klingmüller, K., Robert, C., Bingen, C., Clarisse, L., Heckel, A., North, P., & Rieger, L. (2018). Stratospheric aerosol radiative forcing simulated by the chemistry climate model EMAC using Aerosol CCI satellite data. Atmospheric Chemistry and Physics, 18(17), 12845-12857.
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Zarco-Tejada, P., Camino, C., Beck, P., Calderon, R., Hornero, A., Hernandez-Clemente, R., Kattenborn, T., Montes-Borrego, M., Susca, L., Morelli, M., Gonzalez-Dugo, V., North, P., Landa, B., Boscia, D., Saponari, M., & Navas-Cortes, J. (2018). Previsual symptoms of Xylella fastidiosa infection revealed in spectral plant-trait alterations. Nature Plants, 4(7), 432-439.
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Verrelst, J., Malenovský, Z., Van der Tol, C., Camps-Valls, G., Gastellu-Etchegorry, J., Lewis, P., North, P., & Moreno, J. (2018). Quantifying Vegetation Biophysical Variables from Imaging Spectroscopy Data: A Review on Retrieval Methods. Surveys in Geophysics, 1-41.
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Bye, I., North, P., Los, S., Kljun, N., Rosette, J., Hopkinson, C., Chasmer, L., & Mahoney, C. (2017). Estimating forest canopy parameters from satellite waveform LiDAR by inversion of the FLIGHT three-dimensional radiative transfer model. Remote Sensing of Environment, 188, 177-189.
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Nikonovas, T., North, P., & Doerr, S. (2017). Particulate emissions from large North American wildfires estimated using a new top-down method. Atmospheric Chemistry and Physics, 17(10), 6423-6438.
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Hernandez-Clemente, R., North, P., Hornero, A., & Zarco-Tejada, P. (2017). Assessing the effects of forest health on sun-induced chlorophyll fluorescence using the FluorFLIGHT 3-D radiative transfer model to account for forest structure. Remote Sensing of Environment, 193, 165-179.
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Sobrino, J., Jiménez-Muñoz, J., Sòria, G., Ruescas, A., Danne, O., Brockmann, C., Ghent, D., Remedios, J., North, P., Merchant, C., Berger, M., Mathieu, P., & Göttsche, F. (2016). Synergistic use of MERIS and AATSR as a proxy for estimating Land Surface Temperature from Sentinel-3 data. Remote Sensing of Environment, 179, 149-161.
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Morton, D., Nagol, J., Carabajal, C., Rosette, J., Palace, M., Cook, B., Vermote, E., Harding, D., & North, P. (2016). Morton et al. reply, Dry-season greening of Amazon forests. Nature, 531(7594), E6-E6.
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Popp, T., Leeuw, G., Bingen, C., Brühl, C., Capelle, V., Chedin, A., Clarisse, L., Dubovik, O., Grainger, R., Griesfeller, J., Heckel, A., Kinne, S., Klüser, L., Kosmale, M., Kolmonen, P., Lelli, L., Litvinov, P., Mei, L., North, P...., & Xue, Y. (2016). Development, Production and Evaluation of Aerosol Climate Data Records from European Satellite Observations (Aerosol_cci). Remote Sensing, 8(5), 421
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Nikonovas, T., North, P., & Doerr, S. (2015). Smoke aerosol properties and ageing effects for Northern temperate and boreal regions derived from AERONET source and age attribution. Atmospheric Chemistry and Physics, 15(5), 6445-6479.
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Davies, W. & North, P. (2015). Synergistic angular and spectral estimation of aerosol properties using CHRIS/PROBA-1 and simulated Sentinel-3 data. Atmospheric Measurement Techniques, 8(4), 1719-1731.
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Montesano, P., Rosette, J., Sun, G., North, P., Nelson, R., Dubayah, R., Ranson, K., & Kharuk, V. (2015). The uncertainty of biomass estimates from modeled ICESat-2 returns across a boreal forest gradient. Remote Sensing of Environment, 158, 95-109.
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Leeuw, G., Holzer-Popp, T., Bevan, S., Davies, W., Descloitres, J., Grainger, R., Griesfeller, J., Heckel, A., Kinne, S., Klüser, L., Kolmonen, P., Litvinov, P., Martynenko, D., North, P., Ovigneur, B., Pascal, N., Poulsen, C., Ramon, D., Schulz, M...., & Pinnock, S. (2015). Evaluation of seven European aerosol optical depth retrieval algorithms for climate analysis. Remote Sensing of Environment, 162, 295-315.
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Mahoney, C., Kljun, N., Los, S., Chasmer, L., Hacker, J., Hopkinson, C., North, P., Rosette, J., & van Gorsel, E. (2014). Slope Estimation from ICESat/GLAS. Remote Sensing, 6(10), 10051-10069.
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Bevan, S., Los, S., & North, P. (2014). Response of vegetation to the 2003 European drought was mitigated by height. Biogeosciences, 11(11), 2897-2908.
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Morton, D., Nagol, J., Carabajal, C., Rosette, J., Palace, M., Cook, B., Vermote, E., Harding, D., & North, P. (2014). Amazon forests maintain consistent canopy structure and greenness during the dry season. Nature, 506(7487), 221-224.
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Rosette, J., North, P., Rubio-Gil, J., Cook, B., Los, S., Suárez, J., Sun, G., Ranson, J., & Blair, J. (2013). Evaluating Prospects for Improved Forest Parameter Retrieval From Satellite LiDAR Using a Physically-Based Radiative Transfer Model. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 6(1), 45-53.
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Leonenko, G., Los, S., & North, P. (2013). Retrieval of leaf area index from MODIS surface reflectance by model inversion using different minimization criteria. Remote Sensing of Environment, 139, 257-270.
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Bevan, S., Los, S., & North, P. (2013). Response of vegetation to the 2003 European drought was mitigated by height. Biogeosciences Discussions, 10(10), 16075-16100.
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Leonenko, G., Los, S., & North, P. (2013). Statistical Distances and Their Applications to Biophysical Parameter Estimation: Information Measures, M-Estimates, and Minimum Contrast Methods. Remote Sensing, 5(3), 1355-1388.
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Holzer-Popp, T., Leeuw, G., Griesfeller, J., Martynenko, D., Klüser, L., Bevan, S., Davies, W., Ducos, F., Deuzé, J., Graigner, R., Heckel, A., Hoyningen-Hüne, W., Kolmonen, P., Litvinov, P., North, P., Poulsen, C., Ramon, D., Siddans, R., Sogacheva, L...., & Bevan, S. (2013). Aerosol retrieval experiments in the ESA Aerosol_cci project. Atmospheric Measurement Techniques, 6(8), 1919-1957.
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Kanniah, K., Beringer, J., North, P., Hutley, L., & North, P. (2012). Control of atmospheric particles on diffuse radiation and terrestrial plant productivity: A review. Progress in Physical Geography, 36(2), 209
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Guillen-Climent, M., Zarco-Tejada, P., Berni, J., North, P., & Villalobos, F. (2012). Mapping radiation interception in row-structured orchards using 3D simulation and high-resolution airborne imagery acquired from a UAV. Precision Agriculture, 13(4), 473-500.
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Bevan, S., North, P., Los, S., & Grey, W. (2012). A global dataset of atmospheric aerosol optical depth and surface reflectance from AATSR. Remote Sensing of Environment, 116, 199-210.
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Carboni, E., Thomas, G., Sayer, A., Siddans, R., Poulsen, C., Grainger, R., Ahn, C., Antoine, D., Bevan, S., Braak, R., Brindley, H., DeSouza-Machado, S., Deuzé, J., Diner, D., Ducos, F., Grey, W., Hsu, C., Kalashnikova, O., Kahn, R...., & Bevan, S. (2012). Intercomparison of desert dust optical depth from satellite measurements. Atmospheric Measurement Techniques, 5(8), 1973-2002.
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Los, S., Rosette, J., Kljun, N., North, P., Chasmer, L., Suárez, J., Hopkinson, C., Hill, R., Gorsel, E., Mahoney, C., Berni, J., North, P., Los, S., Rosette, J., & Kljun, N. (2012). Vegetation height and cover fraction between 60° S and 60° N from ICESat GLAS data. Geoscientific Model Development, 5, 413-432.
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Rosette, J., Suárez, J., North, P., & Los, S. (2011). Forestry Applications for Satellite Lidar Remote Sensing. Photogrammetric Engineering & Remote Sensing, 77(3), 271-279.
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Kokhanovsky, A., Deuzé, J., Diner, D., Dubovik, O., Ducos, F., Emde, C., Garay, M., Grainger, R., Heckel, A., Herman, M., Katsev, I., Keller, J., Levy, R., North, P., Prikhach, A., Rozanov, V., Sayer, A., Ota, Y., Tanré, D...., & Zege, E. (2010). The inter-comparison of major satellite aerosol retrieval algorithms using simulated intensity and polarization characteristics of reflected light. Atmospheric Measurement Techniques, 3(4), 909-932.
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North, P., Rosette, J., Suárez, J., Los, S., North, P., Los, S., & Rosette, J. (2010). A Monte Carlo radiative transfer model of satellite waveform LiDAR. International Journal of Remote Sensing, 31(5), 1343
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Davies, W., North, P., Grey, W., & Barnsley, M. (2010). Improvements in Aerosol Optical Depth Estimation Using Multiangle CHRIS/PROBA Images. IEEE Transactions on Geoscience and Remote Sensing, 48(1), 18
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Rosette, J., North, P., Suárez, J., & Los, S. (2010). Uncertainty within satellite LiDAR estimations of vegetation and topography. International Journal of Remote Sensing, 31(5), 1325
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Bevan, S., North, P., Grey, W., Los, S., & Plummer, S. (2009). Impact of atmospheric aerosol from biomass burning on Amazon dry-season drought. Journal of Geophysical Research, 114(D9), n/a
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Prieto-Blanco, A., North, P., Barnsley, M., & Fox, N. (2009). Satellite-driven modelling of Net Primary Productivity (NPP): Theoretical analysis. Remote Sensing of Environment, 113(1), 137-147.
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Rosette, J., North, P., Suárez, J., Armston, J., North, P., & Rosette, J. (2009). A comparison of biophysical parameter retrieval for forestry using airborne and satellite LiDAR. International Journal of Remote Sensing, 30(19), 5229
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Houldcroft, C., Grey, W., Barnsley, M., Taylor, C., Los, S., & North, P. (2009). New Vegetation Albedo Parameters and Global Fields of Soil Background Albedo Derived from MODIS for Use in a Climate Model. Journal of Hydrometeorology, 10(1), 183
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Kokhanovsky, A., Curier, R., Leeuw, G., Grey, W., Lee, K., Bennouna, Y., Schoemaker, R., & North, P. (2009). The inter-comparison of AATSR dual-view aerosol optical thickness retrievals with results from various algorithms and instruments. International Journal of Remote Sensing, 30(17), 4525
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Kempeneers, P., Zarco‐Tejada, P., North, P., Backer, S., Delalieux, S., Sepulcre‐Cantó, G., Morales, F., Aardt, J., Sagardoy, R., Coppin, P., & Scheunders, P. (2008). Model inversion for chlorophyll estimation in open canopies from hyperspectral imagery. International Journal of Remote Sensing, 29(17-18), 5093
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Rosette, J., North, P., & Suárez, J. (2008). Vegetation height estimates for a mixed temperate forest using satellite laser altimetry. International Journal of Remote Sensing, 29(5), 1475
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Widlowski, J., Robustelli, M., Disney, M., Gastellu-Etchegorry, J., Lavergne, T., Lewis, P., North, P., Pinty, B., Thompson, R., & Verstraete, M. (2008). The RAMI On-line Model Checker (ROMC): A web-based benchmarking facility for canopy reflectance models. Remote Sensing of Environment, 112(3), 1144
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Rosette, J., North, P., & Suarez, J. (2008). Vegetation height and stemwood volume estimates for a mixed temperate forest using satellite LiDAR.. Japanese Journal of Forest Planning, Special Issue: LiDAR Application in Forestry, 13, 205-14.SU Repository: https://cronfa.swan.ac.uk/Record/cronfa8033
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Rosette, J., North, P., & J.C., S. (2008). Satellite lidar estimation of stemwood volume: a method using waveform decomposition. Photogrammetric Journal of Finland, 21(1), 76-85.SU Repository: https://cronfa.swan.ac.uk/Record/cronfa8034
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ALTON, P., NORTH, P., LOS, S., North, P., Los, S., & Alton, P. (2007). The impact of diffuse sunlight on canopy light-use efficiency, gross photosynthetic product and net ecosystem exchange in three forest biomes. Global Change Biology, 13(4), 776-787.
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Alton, P., Mercado, L., North, P., North, P., & Alton, P. (2007). A sensitivity analysis of the land-surface scheme JULES conducted for three forest biomes: Biophysical parameters, model processes, and meteorological driving data. Global Biogeochemical Cycles, 20(1)
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Alton, P., Ellis, R., Los, S., North, P., North, P., Los, S., & Alton, P. (2007). Improved global simulations of gross primary product based on a separate and explicit treatment of diffuse and direct sunlight. Journal of Geophysical Research, 112(D7)
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Kokhanovsky, A., Breon, F., Cacciari, A., Carboni, E., Diner, D., Nicolantonio, W., Grainger, R., Grey, W., Höller, R., Lee, K., Li, Z., North, P., Sayer, A., Thomas, G., & Hoyningen-Huene, W. (2007). Aerosol remote sensing over land: A comparison of satellite retrievals using different algorithms and instruments. Atmospheric Research, 85(3-4), 372-394.
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Alton, P. & North, P. (2007). Interpreting shallow, vertical nitrogen profiles in tree crowns: A three-dimensional, radiative-transfer simulation accounting for diffuse sunlight. Agricultural and Forest Meteorology, 145(1-2), 110-124.
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Widlowski, J., Taberner, M., Pinty, B., Bruniquel-Pinel, V., Disney, M., Fernandes, R., Gastellu-Etchegorry, J., Gobron, N., Kuusk, A., Lavergne, T., Leblanc, S., Lewis, P., Martin, E., Mõttus, M., North, P., Qin, W., Robustelli, M., Rochdi, N., Ruiloba, R...., & North, P. (2007). Third Radiation Transfer Model Intercomparison (RAMI) exercise: Documenting progress in canopy reflectance models. Journal of Geophysical Research, 112(D9)
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Los, S., Weedon, G., North, P., Kaduk, J., Taylor, C., & Cox, P. (2006). An observation-based estimate of the strength of rainfall-vegetation interactions in the Sahel. Geophysical Research Letters, 33(16)
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Grey, W., North, P., & Los, S. (2006). Computationally efficient method for retrieving aerosol optical depth from ATSR-2 and AATSR data. Applied Optics, 45(12), 2786
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Grey, W., North, P., Los, S., Mitchell, R., & Los, S. (2006). Aerosol optical depth and land surface reflectance from multiangle AATSR measurements: global validation and intersensor comparisons. IEEE Transactions on Geoscience and Remote Sensing, 44(8), 2184
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Alton, P., North, P., Kaduk, J., & Los, S. (2005). Radiative transfer modeling of direct and diffuse sunlight in a Siberian pine forest. Journal of Geophysical Research, 110(D23)
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Los, S., North, P., Grey, W., Barnsley, M., & Los, S. (2005). A method to convert AVHRR Normalized Difference Vegetation Index time series to a standard viewing and illumination geometry. Remote Sensing of Environment, 99(4), 400-411.
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Pinty, B., J-L, W., Taberner, M., Gobron, N., Verstraete, M., M.,, D., F.,, G., J.-P., G., jiang, L., Kuusk, A., Lewis, P., X, L., Ni-Meister, W., Nilson, T., North, P., Qin, W., L, S., Tang, S., Thompson, R...., & Zang, H. (2004). Radiation Transfer Model Intercomparison (RAMI) exercise: Results from the second phase. Journal of Geophysical Research, 109(D6)
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Dawson, T., North, P., Plummer, S., & Curran, P. (2003). Forest ecosystem chlorophyll content: Implications for remotely sensed estimates of net primary productivity. International Journal of Remote Sensing, 24(3), 611-617.
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North, P. (2002). Estimation of fAPAR, LAI, and vegetation fractional cover from ATSR-2 imagery. Remote Sensing of Environment, 80(1), 114-121.
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North, P. (2002). Estimation of aerosol opacity and land surface bidirectional reflectance from ATSR-2 dual-angle imagery: Operational method and validation. Journal of Geophysical Research, 107(D12)
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Pinty, B., Gobron, N., Widlowski, J., Gerstl, S., Verstraete, M., Antunes, M., Bacour, C., Gascon, F., Gastellu, J., Goel, N., Jacquemoud, S., North, P., Qin, W., & Thompson, R. (2001). Radiation transfer model intercomparison (RAMI) exercise. Journal of Geophysical Research: Atmospheres, 106(D11), 11937-11956.
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Barton, C. & North, P. (2001). Remote sensing of canopy light use efficiency using the photochemical reflectance index. Remote Sensing of Environment, 78(3), 264
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Disney, M., Lewis, P., & North, P. (2000). Monte Carlo ray tracing in optical canopy reflectance modelling. Remote Sensing Reviews, 18(2-4), 163-196.
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North, P., Briggs, S., Plummer, S., & Settle, J. (1999). Retrieval of land surface bidirectional reflectance and aerosol opacity from ATSR-2 multiangle imagery. IEEE Transactions on Geoscience and Remote Sensing, 37(1), 526-537.
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Mutlow, C., Murray, M., Smith, D., Watts, P., & North, P. (1999). New data sets for climate change and land use studies are on track. Eos, Transactions American Geophysical Union, 80(49), 589
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Dawson, T., Curran, P., North, P., & Plummer, S. (1999). The Propagation of Foliar Biochemical Absorption Features in Forest Canopy Reflectance. Remote Sensing of Environment, 67(2), 147-159.
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Gerard, F. & North, P. (1997). Analyzing the effect of structural variability and canopy gaps on forest BRDF using a geometric-optical model. Remote Sensing of Environment, 62(1), 46-62.
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North, P. (1996). Three-dimensional forest light interaction model using a Monte Carlo method. IEEE Transactions on Geoscience and Remote Sensing, 34(4), 946-956.
Penodau Llyfrau
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Rosette, J., Surez, J., Nelson, R., Los, S., Cook, B., & North, P. (2012). Lidar Remote Sensing for Biomass Assessment. Remote Sensing of Biomass - Principles and Applications, Temilola Fatoyinbo (Ed.), InTech Open Access Publisher (pp. 1-25). InTech
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W.M.F., G. & North, P. (2009). Aerosol Optical Depth from multiview-angle AATSR satellite observations. Satellite Aerosol Remote Sensing Over Land, A. Kokhanovsky and Gerrit De Leeuw (Eds). Springer Praxis Books (pp. 161-192). Springer Praxis BooksSU Repository: https://cronfa.swan.ac.uk/Record/cronfa8027
Cyfraniadau Cynadleddau
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Hernandez-Clemente, R., North, P., Hornero, A., & Zarco-Tejada, P. (2018). Monitoring Forest Health with Sun-Induced Chlorophyll Fluorescence Observations and 3-D Radiative Transfer Modeling. In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (pp. 5999-6002).
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Henocq, C., North, P., Heckel, A., Ferron, S., Lamquin, N., Dransfeld, S., Bourg, L., TOTE, C., & Ramon, D. (2018). OLCI/SLSTR SYN L2 Algorithm and Products Overview. In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (pp. 8723-8726). IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium.
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Moreno, J., Colombo, R., Damm, A., Goulas, Y., Middleton, E., Miglietta, F., Mohammed, G., Mottus, M., North, P., Rascher, U., Tol, C., & Drusch, M. (2017). Quantitative global mapping of terrestrial vegetation photosynthesis: The Fluorescence Explorer (FLEX) mission. In 2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)IEEE.
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Lewis, P., Guanter, L., Saldana, G., Muller, J., Watson, G., Shane, N., Kennedy, T., Fisher, J., Domenech, C., Preusker, R., North, P., Heckel, A., Danne, O., Kramer, U., Zuhlke, M., Fomferra, N., Brockmann, C., & Schaaf, C. (2012). The ESA globAlbedo project: Algorithm. In 2012 IEEE International Geoscience and Remote Sensing Symposium (pp. 5745-5748). IEEE.
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North, P., Brockmann, C., Fischer, J., Gomez-Chova, L., Grey, W., Heckle, A., Moreno, J., Preusker, R., & Regner, P. (2008). MERIS/AATSR synergy algorithms for cloud screening, aerosol retrieval and atmospheric correction. In n Proc. 2nd MERIS/AATSR User Workshop, ESRIN, Frascati, 22-26 September 2008. (CD-ROM)SA Publications Division, European Space Agency.SU Repository: https://cronfa.swan.ac.uk/Record/cronfa8039
Goruchwyliaeth
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Desertification in Iraq: impact of changes in hydrology and human migration using a geomatic approach (cyfredol)
PhDGoruchwyliwr arall: Dr Jacqueline Rosette -
Investigating the potential for detecting Oak Decline using Unmanned Aerial Vehicle (UAV) Remote Sensing (dyfarnwyd 2023)
PhDGoruchwyliwr arall: Dr Jacqueline Rosette -
Modelling Coastal Vulnerability An integrated approach to coastal management using earth observation techniques in Belize (dyfarnwyd 2023)
MScGoruchwyliwr arall: Dr Sietse LosGoruchwyliwr arall: Dr Sietse Los -
A comparison of the relationship between ground-measured particulate matter and aerosol optical depth derived from both Sentinel-3a and AERONET. (cyfredol)
MScGoruchwyliwr arall: Dr Sietse Los
Modiwlau a Addysgir
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GEG135 Sustainability and the Climate Emergency
This module is an introduction to global environmental change and explores aspects of the issue of sustainability as it affects everyday lives. The challenge of sustainability is significant and the lectures will provide you with the information needed to engage with the UN's Sustainable Development Goals.
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GEG236 Earth from Space: Monitoring Global Environmental Change
This module introduces the growing role of Earth Observation in Geography, in the context of monitoring global environmental change. Emphasis will be given to practical use of airborne and satellite imagery in a range of geographical applications. In addition to a grounding in the principles of remote sensing, the course will offer in-depth understanding of the use of satellite observations in the study of global change in particular of deforestation and desertification. Practical exercises will teach image processing skills and familiarity with the range of information sources available for remotely sensed imagery.
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GEG331 Dissertation Report: Geography
The dissertation is an original, substantive and independent research project in an aspect of Geography. It is typically based on approximately 20 - 25 days of primary research and several weeks of analysis and write-up. The end result must be less than 7,500 words of text. The dissertation offers you the chance to follow your personal interests and to demonstrate your capabilities as a Geographer. During the course of your dissertation you will be supported by a student-led discussion group and a staff supervisor, and you will also provide constructive criticism to fellow students undertaking related research projects, learning from their research problems and subsequent solutions. This support and supervision is delivered through the 'Dissertation Support' module, which is a co-requisite.
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GEG332 Dissertation Support: Geography
This module provides structured, student-led peer-group support and academic staff group supervision for students undertaking the 30-credit 'Dissertation Report: Geography' module. This support and supervision is assessed through the submission of a PowerPoint Poster in TB1 and the submission outline in TB2. Working within a supervised Student Peer Group, you will also have the opportunity to provide constructive criticism to fellow students undertaking related research projects, learning from their research problems and subsequent solutions. This module complements the 'Dissertation Report: Geography' module, which is a co-requisite.
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GEGM04 Environmental Modelling
An understanding of the environment is increasingly important in many areas, e.g. industry, agriculture, conservation, health, science, and planning. This module introduces computational modelling in a geographical context. It aims to develop thinking about environmental issues within a modelling framework, and to develop practical skills in developing and using computational models, and in computer data analysis and visualisation. Examples are focused on solving practical scientific problems in environmental dynamics and climate change, focussing on modelling the terrestrial carbon and hydrological cycles.
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GEGM06C Environmental Drone Remote Sensing Dissertation
This module offers the opportunity to undertake a major individual research project in the field of Environmental Drone Remote Sensing. Support is provided by a staff supervisor and through student-led discussions. There will also be an opportunity to give constructive feedback to other students undertaking related research projects, learning from their research problems and their subsequent solutions. Provisional research results will be communicated verbally (in July and August). The final results of the thesis will be presented as the scientific paper of a leading international journal in the same field of research.
Hanes Gyrfa
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Athro yn yr Adran Ddaearyddiaeth, Prifysgol Abertawe
2011 - Presennol
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Darllenydd yn yr Adran Ddaearyddiaeth, Prifysgol Abertawe
2009 - 2011
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Darlithydd/Uwch ddarlithydd yn yr Adran Ddaearyddiaeth, Prifysgol Abertawe
2000 - 2009
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Swyddog Gwyddonol Uwch, Canolfan Ecoleg a Hydroleg NERC (CEH)
1995 - 2000
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Cymrawd Ymchwil, Canolfan Wyddoniaeth Systemau Amgylcheddol NERC (ESSC)
1992 - 1995