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Lei Ji
Lei Ji
ASRC Federal Data Solutions, Contractor to USGS Earth Resources Observation and Science (EROS
E-mail confirmado em contractor.usgs.gov
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Assessing vegetation response to drought in the northern Great Plains using vegetation and drought indices
L Ji, AJ Peters
Remote sensing of Environment 87 (1), 85-98, 2003
10282003
Analysis of dynamic thresholds for the normalized difference water index
L Ji, L Zhang, B Wylie
Photogrammetric engineering & remote sensing 75 (11), 1307-1317, 2009
8932009
Drought monitoring with NDVI-based standardized vegetation index
AJ Peters, EA Walter-Shea, L Ji, A Vina, M Hayes, MD Svoboda
Photogrammetric engineering and remote sensing 68 (1), 71-75, 2002
7282002
NDVI saturation adjustment: A new approach for improving cropland performance estimates in the Greater Platte River Basin, USA
Y Gu, BK Wylie, DM Howard, KP Phuyal, L Ji
Ecological Indicators 30, 1-6, 2013
1982013
Multi-platform comparisons of MODIS and AVHRR normalized difference vegetation index data
K Gallo, L Ji, B Reed, J Eidenshink, J Dwyer
Remote Sensing of Environment 99 (3), 221-231, 2005
1872005
A spatial regression procedure for evaluating the relationship between AVHRR-NDVI and climate in the northern Great Plains
L Ji, AJ Peters
International Journal of Remote Sensing 25 (2), 297-311, 2004
1642004
An agreement coefficient for image comparison
L Ji, K Gallo
Photogrammetric Engineering & Remote Sensing 72 (7), 823-833, 2006
1582006
Performance evaluation of spectral vegetation indices using a statistical sensitivity function
L Ji, AJ Peters
Remote Sensing of Environment 106 (1), 59-65, 2007
1522007
Estimating aboveground biomass in interior Alaska with Landsat data and field measurements
L Ji, BK Wylie, DR Nossov, B Peterson, MP Waldrop, JW McFarland, ...
International Journal of Applied Earth Observation and Geoinformation 18 …, 2012
1292012
On the terminology of the spectral vegetation index (NIR− SWIR)/(NIR+ SWIR)
L Ji, L Zhang, BK Wylie, J Rover
International journal of remote sensing 32 (21), 6901-6909, 2011
1172011
Vegetation greenness trend (2000 to 2009) and the climate controls in the Qinghai-Tibetan Plateau
L Zhang, H Guo, L Ji, L Lei, C Wang, D Yan, B Li, J Li
Journal of Applied Remote Sensing 7 (1), 073572-073572, 2013
1032013
Establishing water body areal extent trends in interior Alaska from multi-temporal Landsat data
J Rover, L Ji, BK Wylie, LL Tieszen
Remote Sensing Letters 3 (7), 595-604, 2012
992012
Upscaling carbon fluxes over the Great Plains grasslands: Sinks and sources
L Zhang, BK Wylie, L Ji, TG Gilmanov, LL Tieszen, DM Howard
Journal of Geophysical Research: Biogeosciences 116 (G3), 2011
932011
Climate-driven interannual variability in net ecosystem exchange in the northern Great Plains grasslands
L Zhang, BK Wylie, L Ji, TG Gilmanov, LL Tieszen
Rangeland Ecology & Management 63 (1), 40-50, 2010
912010
Comparison of MODIS and AVHRR 16‐day normalized difference vegetation index composite data
K Gallo, L Ji, B Reed, J Dwyer, J Eidenshink
Geophysical Research Letters 31 (7), 2004
912004
Evaluation and comparison of gross primary production estimates for the Northern Great Plains grasslands
L Zhang, B Wylie, T Loveland, E Fosnight, LL Tieszen, L Ji, T Gilmanov
Remote Sensing of Environment 106 (2), 173-189, 2007
822007
Evaluation of the Global Land Data Assimilation System (GLDAS) air temperature data products
L Ji, GB Senay, JP Verdin
Journal of Hydrometeorology 16 (6), 2463-2480, 2015
772015
Snow effects on alpine vegetation in the Qinghai-Tibetan Plateau
K Wang, L Zhang, Y Qiu, L Ji, F Tian, C Wang, Z Wang
International Journal of Digital Earth 8 (1), 58-75, 2015
662015
The long-term trends (1982–2006) in vegetation greenness of the alpine ecosystem in the Qinghai-Tibetan Plateau
L Zhang, HD Guo, CZ Wang, L Ji, J Li, K Wang, L Dai
Environmental Earth Sciences 72, 1827-1841, 2014
602014
Net ecosystem productivity of temperate grasslands in northern China: An upscaling study
L Zhang, H Guo, G Jia, B Wylie, T Gilmanov, D Howard, L Ji, J Xiao, J Li, ...
Agricultural and Forest Meteorology 184, 71-81, 2014
602014
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Artigos 1–20