CCPortal

浏览/检索结果: 共46条,第1-10条 帮助

限定条件                
已选(0)清除 条数/页:   排序方式:
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
Rio Grande transboundary integrated hydrologic model and water-availability analysis, New Mexico and Texas, United States, and Northern Chihuahua, Mexico 科技报告
报告编号: 70197406, 页数: 200, 2018
作者:  Hanson, Randall T. rthanson@usgs.gov;  Ritchie, Andre B.;  Boyce, Scott E. seboyce@usgs.gov;  Ferguson, Ian;  Galanter, Amy E.;  Flint, Lorraine E. lflint@usgs.gov;  Henson, Wesley R. whenson@usgs.gov
Adobe PDF(24530Kb)  |  收藏  |  浏览/下载:89/23  |  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
Estimates of nitrate loads and yields from groundwater to streams in the Chesapeake Bay watershed based on land use and geology 科技报告
报告编号: 70194700, 页数: 28, 2018
作者:  Terziotti, Silvia seterzio@usgs.gov;  Capel, Paul D. capel@usgs.gov;  Tesoriero, Anthony J. tesorier@usgs.gov;  Hopple, Jessica A. jahopple@usgs.gov;  Kronholm, Scott C.
Adobe PDF(30858Kb)  |  收藏  |  浏览/下载:30/9  |  提交时间:2019/11/06
Modeling habitat for Marbled Murrelets on the Siuslaw National Forest, Oregon, using lidar data 科技报告
报告编号: 70195847, 页数: 30, 2018
作者:  Hagar, Joan C. joan_hagar@usgs.gov;  Aragon, Ramiro;  Haggerty, Patricia;  Hollenbeck, Jeff P. jhollenbeck@usgs.gov
Adobe PDF(1979Kb)  |  收藏  |  浏览/下载:7/4  |  提交时间:2019/11/06
Geochemistry of groundwater in the eastern Snake River Plain aquifer, Idaho National Laboratory and vicinity, eastern Idaho 科技报告
报告编号: 70196064, 页数: 212, 2018
作者:  Rattray, Gordon W. grattray@usgs.gov
Adobe PDF(17744Kb)  |  收藏  |  浏览/下载:4/2  |  提交时间:2019/11/06
Descriptive models for epithermal gold-silver deposits: Chapter Q in 科技报告
报告编号: 70196376, , 2018
作者:  John, David A. djohn@usgs.gov;  Vikre, Peter G. pvikre@usgs.gov;  du Bray, Edward A. edubray@usgs.gov;  Blakely, Richard J. blakely@usgs.gov;  Fey, David L. dfey@usgs.gov;  Rockwell, Barnaby W. barnabyr@usgs.gov;  Mauk, Jeffrey L. jmauk@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov;  Graybeal, Frederick T.
Adobe PDF(39815Kb)  |  收藏  |  浏览/下载:54/18  |  提交时间:2019/11/06
Adaptive management in native grasslands managed by the U.S. Fish and Wildlife Service—Implications for grassland birds 科技报告
报告编号: 70199524, , 2018
作者:  Igl, Lawrence D. ligl@usgs.gov;  Newton, Wesley E. wnewton@usgs.gov;  Grant, Todd A.;  Dixon, Cami S.
Adobe PDF(7785Kb)  |  收藏  |  浏览/下载:47/19  |  提交时间:2019/11/06
Application of the Stream Salmonid Simulator (S3) to the restoration reach of the Trinity River, California—Parameterization and calibration 科技报告
报告编号: 70200742, , 2018
作者:  Perry, Russell W. rperry@usgs.gov;  Jones, Edward C.;  Plumb, John M. jplumb@usgs.gov;  Som, Nicholas A.;  Hetrick, Nicholas J.;  Hardy, Thomas B.;  Polos, Joseph C;  Martin, Aaron C.;  Alvarez, Justin S.;  De Juilio, Kyle P.
Adobe PDF(10955Kb)  |  收藏  |  浏览/下载:62/21  |  提交时间:2019/11/06
First comprehensive list of non-native species established in three major regions of the United States 科技报告
报告编号: 70199785, , 2018
作者:  Simpson, Annie;  Eyler, Meghan C.
Adobe PDF(1465Kb)  |  收藏  |  浏览/下载:26/7  |  提交时间:2019/11/06