CCPortal

浏览/检索结果: 共52条,第1-10条 帮助

限定条件                
已选(0)清除 条数/页:   排序方式:
South Sudan: first state of environment and outlook report 2018 科技报告
, 2018
作者:  Wu (无)
收藏  |  浏览/下载:2/0  |  提交时间:2019/04/30
Lakes and reservoirs—Guidelines for study design and sampling 科技报告
报告编号: 70155912, 页数: 57, 2018
作者:  U.S. Geological Survey
Adobe PDF(5029Kb)  |  收藏  |  浏览/下载:25/4  |  提交时间:2019/11/06
Chemical concentrations in water and suspended sediment, Green River to Lower Duwamish Waterway near Seattle, Washington, 2016–17 科技报告
报告编号: 70194820, 页数: 28, 2018
作者:  Conn, Kathleen E. kconn@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Peterson, Norman T. npeterson@usgs.gov;  Senter, Craig A. csenter@usgs.gov;  Chapman, Elena A.
Adobe PDF(1243Kb)  |  收藏  |  浏览/下载:57/26  |  提交时间:2019/11/06
Cooperative Fish and Wildlife Research Units Program—2017 year in review 科技报告
报告编号: 70194731, 页数: 76, 2018
作者:  Organ, John F. jorgan@usgs.gov;  Thompson, John D. jthompson@usgs.gov;  Dennerline, Donald E. ddennerline@usgs.gov;  Childs, Dawn E. dchilds@usgs.gov
Adobe PDF(55682Kb)  |  收藏  |  浏览/下载:95/38  |  提交时间:2019/11/06
Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载:71/43  |  提交时间:2019/11/06
Monitoring riparian-vegetation composition and cover along the Colorado River downstream of Glen Canyon Dam, Arizona 科技报告
报告编号: 70197435, 页数: 79, 2018
作者:  Palmquist, Emily C. epalmquist@usgs.gov;  Ralston, Barbara E. bralston@usgs.gov;  Sarr, Daniel A. dsarr@usgs.gov;  Johnson, Taylor C.
Adobe PDF(5480Kb)  |  收藏  |  浏览/下载:34/10  |  提交时间:2019/11/06
Preparations for water sampling 科技报告
报告编号: 70200972, , 2018
作者:  U.S. Geological Survey
Adobe PDF(2860Kb)  |  收藏  |  浏览/下载:3/2  |  提交时间:2019/11/06
How and why Upper Colorado River Basin land, water, and fire managers choose to use drought tools (or not) 科技报告
报告编号: 70200775, , 2018
作者:  Cravens, Amanda E. aecravens@usgs.gov
Adobe PDF(2202Kb)  |  收藏  |  浏览/下载:5/3  |  提交时间:2019/11/06
Drain tiles and groundwater resources: Understanding the relations 科技报告
报告编号: 70204196, 页数: 44, 2018
作者:  Smith, Erik A. easmith@usgs.gov;  Gillette, Timothy;  Blann, Kristen;  Coburn, Mary;  Hoppie, Bryce;  Rhees, Suzanne
Adobe PDF(5625Kb)  |  收藏  |  浏览/下载:40/10  |  提交时间:2019/11/06
Compilation and assessment of resource values and hazards to inform transportation planning and associated land-use planning 科技报告
报告编号: 70196396, , 2018
作者:  Manier, Daniel J. manierd@usgs.gov;  O'Donnell, Michael odonnellm@usgs.gov
Adobe PDF(17569Kb)  |  收藏  |  浏览/下载:6/3  |  提交时间:2019/11/06