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UAV-derived imagery for vegetation structure estimation in rangelands: validation and application 期刊论文
发表期刊: ECOSPHERE. 出版年: 2021, 卷号: 12, 期号: 11
作者:  Zhang, Junzhe;  Okin, Gregory S.;  Zhou, Bo;  Karl, Jason W.
收藏  |  浏览/下载:27/0  |  提交时间:2022/02/12
rangeland indicators  remote sensing  Special Feature  Dynamic Deserts  structure from motion  unmanned aerial vehicle (UAV)  
Detection of terracettes in semi-arid rangelands using Fourier-based image analysis of very-high-resolution satellite imagery 期刊论文
发表期刊: EARTH SURFACE PROCESSES AND LANDFORMS. 出版年: 2020, 卷号: 45, 期号: 13, 页码: 3368-3380
作者:  Hellman, Ian;  Heinse, Robert;  Karl, Jason W.;  Corrao, Mark
收藏  |  浏览/下载:12/0  |  提交时间:2021/01/07
terracette  image analysis  hydrology  rangeland  microtopography  
A hyper-temporal remote sensing protocol for high-resolution mapping of ecological sites 期刊论文
发表期刊: PLOS ONE. 出版年: 2017, 卷号: 12, 期号: 4
作者:  Maynard, Jonathan J.;  Karl, Jason W.
收藏  |  浏览/下载:8/0  |  提交时间:2019/11/29
A comparison of cover calculation techniques for relating point-intercept vegetation sampling to remote sensing imagery 期刊论文
发表期刊: ECOLOGICAL INDICATORS. 出版年: 2017, 卷号: 73, 页码: 156-165
作者:  Karl, Jason W.;  McCord, Sarah E.;  Hadley, Brian C.
收藏  |  浏览/下载:27/0  |  提交时间:2019/11/29
Point-intercept sampling  Vegetation cover  Monitoring  Remote sensing  Beta regression  Method comparison  
Breaks in MODIS time series portend vegetation change: verification using long-term data in an arid grassland ecosystem 期刊论文
发表期刊: ECOLOGICAL APPLICATIONS. 出版年: 2017, 卷号: 27, 期号: 5, 页码: 1677-1693
作者:  Browning, Dawn M.;  Maynard, Jonathan J.;  Karl, Jason W.;  Peters, Debra C.
收藏  |  浏览/下载:49/0  |  提交时间:2019/11/29
arid ecosystems  Breaks For Additive and Season and Trend (BFAST)  change detection  Jornada Experimental Range  long-term data  MODIS  time series  vegetation dynamics  
Phenocams Bridge the Gap between Field and Satellite Observations in an Arid Grassland Ecosystem 期刊论文
发表期刊: REMOTE SENSING. 出版年: 2017, 卷号: 9, 期号: 10
作者:  Browning, Dawn M.;  Karl, Jason W.;  Morin, David;  Richardson, Andrew D.;  Tweedie, Craig E.
收藏  |  浏览/下载:16/0  |  提交时间:2019/11/29
phenology  phenocam  drylands  instrument intercomparison  ecological scaling  ecosystem productivity  USA-NPN protocols  growing season  unfolded leaves  rangeland  
Effect of spatial image support in detecting long-term vegetation change from satellite time-series 期刊论文
发表期刊: LANDSCAPE ECOLOGY. 出版年: 2016, 卷号: 31, 期号: 9, 页码: 2045-2062
作者:  Maynard, Jonathan J.;  Karl, Jason W.;  Browning, Dawn M.
收藏  |  浏览/下载:17/0  |  提交时间:2019/11/29
Time series  MODIS  Landsat  Image support  Arid ecosystems  Breaks for additive season and trend  
Emerging technological and cultural shifts advancing drylands research and management 期刊论文
发表期刊: FRONTIERS IN ECOLOGY AND THE ENVIRONMENT. 出版年: 2015, 卷号: 13, 期号: 1, 页码: 52-60
作者:  Browning, Dawn M.;  Rango, Albert;  Karl, Jason W.;  Laney, Christine M.;  Vivoni, Enrique R.;  Tweedie, Craig E.
收藏  |  浏览/下载:25/0  |  提交时间:2019/11/29
A Technique for Estimating Rangeland Canopy-Gap Size Distributions From High-Resolution Digital Imagery 期刊论文
发表期刊: RANGELAND ECOLOGY & MANAGEMENT. 出版年: 2012, 卷号: 65, 期号: 2, 页码: 196-207
作者:  Karl, Jason W.;  Duniway, Michael C.;  Schrader, T. Scott
收藏  |  浏览/下载:12/0  |  提交时间:2019/11/29
digital aerial photography  image classification  photo interpretation  remote sensing  
A Strategy for Rangeland Management Based on Best Available Knowledge and Information 期刊论文
发表期刊: RANGELAND ECOLOGY & MANAGEMENT. 出版年: 2012, 卷号: 65, 期号: 6, 页码: 638-646
作者:  Karl, Jason W.;  Herrick, Jeffrey E.;  Browning, Dawn M.
收藏  |  浏览/下载:14/0  |  提交时间:2019/11/29
ecological site  hierarchy theory  information system  integrated knowledge system  scale