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Is Social Media Killing Local News? An Examination of Engagement and Ownership Patterns in U.S. Community News on Facebook 期刊论文
发表期刊: DIGITAL JOURNALISM. 出版年: 2021
作者:  Toff, Benjamin;  Mathews, Nick
收藏  |  浏览/下载：18/0  |  提交时间：2021/11/19
Local news  social media  Facebook  audience research  analytics  online news  news deserts  media ecosystems  
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：43/0  |  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