CCPortal

浏览/检索结果: 共16条,第1-10条 帮助

限定条件        
已选(0)清除 条数/页:   排序方式:
The global tree restoration potential 科技资讯
2019
收藏  |  浏览/下载:2/0  |  提交时间:2019/07/05
Protecting land and livelihoods in Madagascar 科技资讯
2019
收藏  |  浏览/下载:2/0  |  提交时间:2019/11/20
Biodiversity  
The impact of climate change on crop mix shift in the Nordic region 科技资讯
2019
收藏  |  浏览/下载:0/0  |  提交时间:2023/02/21
Flood-inundation maps of the Meramec River from Eureka to Arnold, Missouri, 2018 科技报告
报告编号: 70202202, 页数: 22, 2019
作者:  Dietsch, Benjamin J. bdietsch@usgs.gov;  Strauch, Kellan R.
Adobe PDF(1736Kb)  |  收藏  |  浏览/下载:70/38  |  提交时间:2019/11/06
Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012 科技报告
报告编号: 70201177, , 2019
作者:  Stewart, Jana S. jsstewar@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov;  Brakebill, John W. jwbrakeb@usgs.gov;  Preston, Stephen D. spreston@usgs.gov
Adobe PDF(53511Kb)  |  收藏  |  浏览/下载:114/48  |  提交时间:2019/11/06
Use of a Numerical Model to Simulate the Hydrologic System and Transport of Contaminants Near Joint Base Cape Cod, Western Cape Cod, Massachusetts 科技报告
报告编号: 70200529, 页数: 114, 2019
作者:  Walter, Donald A. dawalter@usgs.gov;  McCobb, Timothy D.;  Fienen, Michael N.
Adobe PDF(44884Kb)  |  收藏  |  浏览/下载:75/39  |  提交时间:2019/11/06
Drinking water health standards comparison and chemical analysis of groundwater for 72 domestic wells in Bradford County, Pennsylvania, 2016 科技报告
报告编号: 70202389, 页数: 76, 2019
作者:  Clune, John W.;  Cravotta, Charles A. III
Adobe PDF(8206Kb)  |  收藏  |  浏览/下载:25/7  |  提交时间:2019/11/06
Selected water-quality data from the Cedar River and Cedar Rapids well fields, Cedar Rapids, Iowa, 2008–17 科技报告
报告编号: 70202822, 页数: 62, 2019
作者:  Meppelink, Shannon M.;  Stelzer, Erin A. eastelzer@usgs.gov;  Bristow, Emilia L.;  Littin, Gregory R.
Adobe PDF(2592Kb)  |  收藏  |  浏览/下载:149/72  |  提交时间:2019/11/06
Integration and tradeoffs 科技报告
报告编号: 70204117, , 2019
作者:  Crist, Michele;  Prentice, Karen;  Chambers, Jeanne C.;  Phillips, Sue;  Wiechman , Lief A.
Adobe PDF(16345Kb)  |  收藏  |  浏览/下载:77/27  |  提交时间:2019/11/06
Contemporary environmental assessment using a viability analysis in a large river system to inform restoration and adaptive management decisions 科技报告
报告编号: 70202445, 页数: 76, 2019
作者:  DeBruyne, Robin L. rdebruyne@usgs.gov;  Roseman, Edward F. eroseman@usgs.gov;  Ross, Jason E.;  Newman, Kurt R.;  Strach, Russell M.
Adobe PDF(1736Kb)  |  收藏  |  浏览/下载:61/19  |  提交时间:2019/11/06