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Quantifying plant-soil-nutrient dynamics in rangelands: Fusion of UAV hyperspectral-LiDAR, UAV multispectral-photogrammetry, and ground-based LiDAR-digital photography in a shrub-encroached desert grassland 期刊论文
发表期刊: REMOTE SENSING OF ENVIRONMENT. 出版年: 2021, 卷号: 253
作者:  Sankey, Joel B.;  Sankey, Temuulen T.;  Li, Junran;  Ravi, Sujith;  Wang, Guan;  Caster, Joshua;  Kasprak, Alan
收藏  |  浏览/下载:42/0  |  提交时间:2021/03/08
Airborne data  Drone  Unmanned aerial system (UAS)  Unmanned aerial vehicle (UAV)  Terrestrial laser scanning  Photogrammetry  Structure from motion (SFM)  Lidar  Hyperspectral  Machine learning  Digital elevation model (DEM)  Digital elevation model of difference (DOD)  Change detection  Rangeland  Shrub  Grass  Soil  Nutrient  Fire  Islands of fertility  
A combined grazing and fire management may reverse woody shrub encroachment in desert grasslands 期刊论文
发表期刊: LANDSCAPE ECOLOGY. 出版年: 2019, 卷号: 34, 期号: 8, 页码: 2017-2031
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/29
Shrub encroachment  Cellular automata model  Reversibility  Arid and semiarid  Landscape dynamics  
On the development of a magnetic susceptibility-based tracer for aeolian sediment transport research 期刊论文
发表期刊: EARTH SURFACE PROCESSES AND LANDFORMS. 出版年: 2019, 卷号: 44, 期号: 2, 页码: 672-678
作者:  Ravi, Sujith;  Gonzales, Howell B.;  Buynevich, Ilya V.;  Li, Junran;  Sankey, Joel B.;  Dukes, David;  Wang, Guan
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/29
sediment tracers  magnetic susceptibility  wind erosion  aeolian processes  
Post-fire Redistribution of Soil Carbon and Nitrogen at a Grassland-Shrubland Ecotone 期刊论文
发表期刊: ECOSYSTEMS. 出版年: 2019, 卷号: 22, 期号: 1, 页码: 174-188
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith;  Dukes, David;  Gonzales, Howell B.;  Sankey, Joel B.
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/29
shrub encroachment  wildfire  spatial heterogeneity  soil redistribution  microsites  geostatistics  
Interactions among hydrological-aeolian processes and vegetation determine grain-size distribution of sediments in a semi-arid coppice dune (nebkha) system 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2018, 卷号: 154, 页码: 24-33
作者:  Li, Junran;  Ravi, Sujith
收藏  |  浏览/下载:11/0  |  提交时间:2019/11/29
Land degradation  Dune dynamics  Sediment  Aeolian transport  Hydraulic conductivity  Chihuahuan desert  
Quantifying Postfire Aeolian Sediment Transport Using Rare Earth Element Tracers 期刊论文
发表期刊: JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. 出版年: 2018, 卷号: 123, 期号: 1, 页码: 288-299
作者:  Dukes, David;  Gonzales, Howell B.;  Ravi, Sujith;  Grandstaff, David E.;  Van Pelt, R. Scott;  Li, Junran;  Wang, Guan;  Sankey, Joel B.
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/29
sediment tracers  wind erosion  land degradation  drylands  wildfires  
Ecohydrological implications of aeolian sediment trapping by sparse vegetation in drylands 期刊论文
发表期刊: ECOHYDROLOGY. 出版年: 2018, 卷号: 11, 期号: 7
作者:  Gonzales, Howell B.;  Ravi, Sujith;  Li, Junran;  Sankey, Joel B.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/29
CFD  grain size distribution  infiltration  sediment transport  trapping efficiency  wind erosion  
Global desertification: Drivers and feedbacks 期刊论文
发表期刊: ADVANCES IN WATER RESOURCES. 出版年: 2013, 卷号: 51, 页码: 326-344
作者:  D’Odorico, Paolo;  Bhattachan, Abinash;  Davis, Kyle F.;  Ravi, Sujith;  Runyan, Christiane W.
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/29
Desertification  Land degradation  Ecohydrology  Feedbacks  Overgrazing  Soil salinity  
Field evidence for differences in post-fire aeolian transport related to vegetation type in semi-arid grasslands 期刊论文
发表期刊: AEOLIAN RESEARCH. 出版年: 2012, 卷号: 7, 页码: 3-10
作者:  Ravi, Sujith;  Baddock, Matthew C.;  Zobeck, Ted M.;  Hartman, Joe
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/29
Wind erosion  Fire  Dust emissions  Grasslands  Land degradation  Management  
Quantifying soil surface change in degraded drylands: Shrub encroachment and effects of fire and vegetation removal in a desert grassland 期刊论文
发表期刊: JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. 出版年: 2012, 卷号: 117
作者:  Sankey, Joel B.;  Ravi, Sujith;  Wallace, Cynthia S. A.;  Webb, Robert H.;  Huxman, Travis E.
收藏  |  浏览/下载:0/0  |  提交时间:2019/11/29