中文版 | English

在结果中检索

CCPortal

浏览/检索结果: 共8条，第1-8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：69/41  |  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：49/17  |  提交时间：2019/11/06
Suitability of river delta sediment as proppant, Missouri and Niobrara Rivers, Nebraska and South Dakota, 2015 科技报告
报告编号: 70191327, 页数: 64, 2017
作者:  Zelt, Ronald B. rbzelt@usgs.gov;  Hobza, Christopher M. cmhobza@usgs.gov;  Burton, Bethany L. blburton@usgs.gov;  Schaepe, Nathaniel J. nschaepe@usgs.gov;  Piatak, Nadine M. npiatak@usgs.gov
Adobe PDF(5644Kb)  |  收藏  |  浏览/下载：133/20  |  提交时间：2019/11/06
Design and testing of a process-based groundwater vulnerability assessment (P-GWAVA) system for predicting concentrations of agrichemicals in groundwater across the United States 科技报告
报告编号: 70126663, , 2016
作者:  Barbash, Jack E;  Voss, Frank D. fdvoss@usgs.gov
Adobe PDF(7667Kb)  |  收藏  |  浏览/下载：4/4  |  提交时间：2019/11/06
Simulation of climate change effects on streamflow, groundwater, and stream temperature using GSFLOW and SNTEMP in the Black Earth Creek Watershed, Wisconsin 科技报告
报告编号: 70174858, 页数: 132, 2016
作者:  Hunt, Randall J. rjhunt@usgs.gov;  Westenbroek, Stephen M. smwesten@usgs.gov;  Walker, John F. jfwalker@usgs.gov;  Selbig, William R. wrselbig@usgs.gov;  Regan, R. Steven;  Leaf, Andrew T. aleaf@usgs.gov;  Saad, David A. dasaad@usgs.gov
Adobe PDF(8999Kb)  |  收藏  |  浏览/下载：112/21  |  提交时间：2019/11/06
Determination of pesticides and pesticide degradates in filtered water by direct aqueous-injection liquid chromatography-tandem mass spectrometry 科技报告
报告编号: 70154969, 页数: 73, 2016
作者:  Sandstrom, Mark W. sandstro@usgs.gov;  Kanagy, Leslie K. lkkanagy@usgs.gov;  Anderson, Cyrissa A. cadamson@usgs.gov;  Kanagy, Christopher J. ckanagy@usgs.gov
Adobe PDF(5994Kb)  |  收藏  |  浏览/下载：59/17  |  提交时间：2019/11/06
MT3D-USGS version 1: A U.S. Geological Survey release of MT3DMS updated with new and expanded transport capabilities for use with MODFLOW 科技报告
报告编号: 70156288, 页数: 84, 2016
作者:  Bedekar, Vivek;  Morway, Eric D.;  Langevin, Christian D. langevin@usgs.gov;  Tonkin, Matthew J.
Adobe PDF(5103Kb)  |  收藏  |  浏览/下载：19/6  |  提交时间：2019/11/06
Quantifying seepage using heat as a tracer in selected irrigation canals, Walker River Basin, Nevada, 2012 and 2013 科技报告
报告编号: 70178266, , 2016
作者:  Naranjo, Ramon C. rnaranjo@usgs.gov;  Smith, David W. dwsmith@usgs.gov
Adobe PDF(11371Kb)  |  收藏  |  浏览/下载：2/0  |  提交时间：2019/11/06