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James Shepherd

Senior Researcher - Remote Sensing
Informatics
James Shepherd
Location
Palmerston North
Contact James

Qualifications

Waikato
PhD Physics
1997

Waikato
MSc (Hons) Physics
1993

Waikato
BSc Physics
1990

Publications

North H, Amies A, Dymond J, Belliss S, Pairman D, Drewry J, Schindler J, Shepherd J 2022. Mapping bare ground in New Zealand hill-country agriculture and forestry for soil erosion risk assessment: An automated satellite remote-sensing method. Journal of Environmental Management 301. WOS:000704807600001 https://doi.org/10.1016/j.jenvman.2021.113812

Amies AC, Dymond JR, Shepherd JD, Pairman D, Hoogendoorn C, Sabetizade M, Belliss SE 2021. National mapping of New Zealand pasture productivity using temporal sentinel-2 data. Remote Sensing 13(8). WOS:000644681700001 https://doi.org/10.3390/rs13081481

Shepherd JD, Schindler J, Dymond JR 2020. Automated mosaicking of Sentinel-2 satellite imagery. Remote Sensing 12(22). WOS:000594599900001 https://doi.org/10.3390/rs12223680

Meiforth JJ, Buddenbaum H, Hill J, Shepherd JD, Dymond JR 2020. Stress Detection in New Zealand Kauri Canopies with WorldView-2 Satellite and LiDAR Data. Remote Sensing 12(12). WOS:000550351600001 https://doi.org/10.3390/rs12121906

Shepherd JD, Bunting P, Dymond JR 2019. Operational Large-Scale Segmentation of Imagery Based on Iterative Elimination. Remote Sensing 11(6). WOS:000464555200002 https://doi.org/10.3390/rs11060658

Dymond JR, Zorner J, Shepherd JD, Wiser SK, Pairman D, Sabetizade M 2019. Mapping physiognomic types of indigenous forest using space-borne SAR, optical imagery and air-borne LiDAR. Remote Sensing 11(16). WOS:000484387600074 https://doi.org/10.3390/rs11161911

Meiforth JJ, Buddenbaum H, Hill J, Shepherd J, Norton DA 2019. Detection of New Zealand kauri trees with AISA aerial hyperspectral data for use in multispectral monitoring. Remote Sensing 11(23). WOS:000508382100146 https://doi.org/10.3390/rs11232865

Shepherd JD, Gillingham S, Heuer T, Barron MC, Byrom AE, Pech RP 2018. Multi-scale dynamic maps for the management of invading and established wildlife populations: brushtail possums in New Zealand. Wildlife Research 45(4): 336-343. WOS:000439988900005 https://doi.org/10.1071/wr17135

Zorner J, Dymond JR, Shepherd JD, Wiser SK, Jolly B 2018. LiDAR-Based Regional Inventory of Tall TreesWellington, New Zealand. Forests 9(11). WOS:000451310300042 https://doi.org/10.3390/f9110702

Coomes DA, Safka D, Shepherd J, Dalponte M, Holdaway R 2018. Airborne laser scanning of natural forests in New Zealand reveals the influences of wind on forest carbon. Forest Ecosystems 5. WOS:000423204800001 https://doi.org/10.1186/s40663-017-0119-6

Dymond JR, Shepherd JD, Newsome PF, Belliss S 2017. Estimating change in areas of indigenous vegetation cover in New Zealand from the New Zealand Land Cover Database (LCDB). New Zealand Journal of Ecology 41(1): 56–64. https://doi.org/10.20417/nzjecol.41.5

Müller MU, Shepherd JD, Dymond JR 2015. Support vector machine classification of woody patches in New Zealand from synthetic aperture radar and optical data, with LiDAR training. Journal of Applied Remote Sensing 9(1): 095984. https://doi.org/10.1117/1.JRS.9.095984

Shepherd JD, Dymond JR, Gillingham S, Bunting P 2014. Accurate registration of optical satellite imagery with elevation models for topographic correction. Remote Sensing Letters 5(7): 637–641. https://doi.org/10.1080/2150704x.2014.950761

Clewley D, Bunting P, Shepherd J, Gillingham S, Flood N, Dymond J, Lucas R, Armston J, Moghaddam M 2014. A Python-based open source system for geographic object based image analysis (GEOBIA) utilising raster attribute tables. Remote Sensing 6(7): 6111–6135. https://doi.org/10.3390/rs6076111

Porphyre T, McKenzie J, Byrom AE, Nugent G, Shepherd J, Yockney I 2013. Spatial prediction of brushtail possum (Trichosurus vulpecula) distribution using a combination of remotely sensed and field-observed environmental data. Wildlife Research 40(7): 578–587. https://doi.org/10.1071/Wr13028

Weeks ES, Ausseil A-GE, Shepherd JD, Dymond JR 2013. Remote sensing methods to detect land-use/cover changes in New Zealand's ‘indigenous’ grasslands. New Zealand Geographer 69(1): 1-13. https://doi.org/10.1111/nzg.12000

Weeks ES, Walker S, Dymond JR, Shepherd JD, Clarkson BD 2013. Patterns of past and recent conversion of indigenous grasslands in the South Island, New Zealand. New Zealand Journal of Ecology 37(1): 127-138.

Dymond JR, Shepherd JD, Newsome PF, Gapare N, Burgess DW, Watt P 2012. Remote sensing of land-use change for Kyoto Protocol reporting: the New Zealand case. Environmental science & policy 16: 1-8. WOS:000301217000001 https://doi.org/10.1016/j.envsci.2011.11.011

Kirschbaum MUF, Whitehead D, Dean SM, Beets PN, Shepherd JD, Ausseil AGE 2011. Implications of albedo changes following afforestation on the benefits of forests as carbon sinks. Biogeosciences 8(12): 3687-3696. https://doi.org/10.5194/bg-8-3687-2011

Shepherd J, Barron M, Pech R 2011. The National Possum Model - involving more than 30 million individuals. Kararehe kino 17: 22-23.

Dymond JR, Shepherd JD, Arnold GC, Trotter CM 2008. Estimating area of forest change by random sampling of change strata mapped using satellite imagery. Forest Science 54(5): 475-480. WOS:000259757800001

Yockney I, Byrom A, Nugent G, Poutu N, Whitford J, Shepherd J, McKenzie J, Porphyre T 2008. Affordable Tb control for the high country. Kararehe kino : vertebrate pest research 12: 5-6.

Dymond JR, Ausseil AG, Shepherd JD, Janssen H 2007. A landscape approach for assessing the biodiversity value of indigenous forest remnants: Case study of the Manawatu/Wanganui region of New Zealand. Ecological economics 64(1): 82-91. ISI:000250497800009 https://doi.org/10.1016/j.ecolecon.2007.07.026

Ausseil AGE, Dymond JR, Shepherd JD 2007. Rapid mapping and prioritisation of wetland sites in the Manawatu-Wanganui Region, New Zealand. Environmental management 39(3): 316-325.

Shepherd JD, Dymond JR, Cuff JRI 2007. Monitoring scrub weed change in the Canterbury region using satellite imagery. New Zealand plant protection 60: 137-140.

Dymond JR, Ausseil AG, Shepherd JD, Buettner L 2006. Validation of a region-wide model of landslide susceptibility in the Manawatu-Wanganui region of New Zealand. Geomorphology 74(1-4): 70-.

Dymond JR, Shepherd JD, Clark H, Litherland A 2006. Use of VEGETATION satellite imagery to map pasture quality for input to a methane budget of New Zealand. International journal of remote sensing 27(5-6): 1261-.

Dymond JR, Shepherd JD 2004/3/15. The spatial distribution of indigenous forest and its composition in the Wellington region, New Zealand, from ETM+ satellite imagery. Remote sensing of environment 90(1): 116-125.

Shepherd JD, Dymond JR 2003/9/10. Correcting satellite imagery for the variance of reflectance and illumination with topography. International journal of remote sensing 24(17): 3503-3514.

Dymond JR, Shepherd JD, Qi J 2001/3. A simple physical model of vegetation reflectance for standardising optical satellite imagery. Remote sensing of environment 75(3): 350-359.

Shepherd JD, Dymond JR 2000/12. BRDF correction of vegetation in AVHRR imagery. Remote sensing of environment 74(3): 397-408.

Dymond JR, Shepherd JD 1999/9. Correction of the topographic effect in remote sensing. IEEE Transactions on geoscience and remote sensing 37(5 Part 2): 2618-2620.

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