CCPortal

浏览/检索结果: 共35条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Hydrogeologic controls and geochemical indicators of groundwater movement in the Niles Cone and southern East Bay Plain groundwater subbasins, Alameda County, California 科技报告
报告编号: 70194829, 页数: 76, 2019
作者:  Teague, Nicholas F. nteague@usgs.gov;  Izbicki, John A. jaizbick@usgs.gov;  Borchers, Jim;  Kulongoski, Justin T. kulongos@usgs.gov;  Jurgens, Bryant C. bjurgens@usgs.gov
Adobe PDF(6518Kb)  |  收藏  |  浏览/下载:28/7  |  提交时间:2019/11/06
Soil mineralogy and geochemistry along a north-south transect in Alaska and the relation to source-rock terrane 科技报告
报告编号: 70204649, 页数: 27, 2019
作者:  Wang, Bronwen;  Hults, Chad P. chults@usgs.gov;  Eberl, Dennis D.;  Woodruff, Laurel G. woodruff@usgs.gov;  Cannon, William F. wcannon@usgs.gov;  Gough, Larry P. lgough@usgs.gov
Adobe PDF(6985Kb)  |  收藏  |  浏览/下载:65/35  |  提交时间:2019/11/06
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
Sequence stratigraphy, seismic stratigraphy, and seismic structures of the lower intermediate confining unit and most of the Floridan aquifer system, Broward County, Florida 科技报告
报告编号: 70194558, 页数: 86, 2018
作者:  Cunningham, Kevin J. kcunning@usgs.gov;  Kluesner, Jared W. jkluesner@usgs.gov;  Westcott, Richard L.;  Robinson, Edward;  Walker, Cameron;  Khan, Shakira A.
Adobe PDF(37274Kb)  |  收藏  |  浏览/下载:102/45  |  提交时间:2019/11/06
Baseline water quality of an area undergoing shale-gas development in the Muskingum River watershed, Ohio, 2015–16 科技报告
报告编号: 70198850, , 2018
作者:  Covert, S. Alex.;  Jagucki, Martha L.;  Huitger, Carrie A.
Adobe PDF(14642Kb)  |  收藏  |  浏览/下载:53/21  |  提交时间:2019/11/06
Interior Least Tern sandbar nesting habitat measurements from Landsat Thematic Mapper imagery 科技报告
报告编号: 70199962, , 2018
作者:  Bulliner, Edward A. ebulliner@usgs.gov;  Elliott, Caroline M. celliott@usgs.gov;  Jacobson, Robert B. rjacobson@usgs.gov;  Lott, Casey
Adobe PDF(1917Kb)  |  收藏  |  浏览/下载:40/19  |  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:50/17  |  提交时间:2019/11/06
Land subsidence along the California Aqueduct in west-central San Joaquin Valley, California, 2003–10 科技报告
报告编号: 70200652, , 2018
作者:  Sneed, Michelle micsneed@usgs.gov;  Brandt, Justin T. jbrandt@usgs.gov;  Solt, Michael
Adobe PDF(15133Kb)  |  收藏  |  浏览/下载:63/20  |  提交时间:2019/11/06
Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 科技报告
报告编号: 70199372, , 2018
作者:  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
Adobe PDF(2496Kb)  |  收藏  |  浏览/下载:58/27  |  提交时间:2019/11/06
Volume-weighted particle-tracking method for solute-transport modeling; Implementation in MODFLOW–GWT 科技报告
报告编号: 70191345, 页数: 54, 2018
作者:  Winston, Richard B. rbwinst@usgs.gov;  Konikow, Leonard F. lkonikow@usgs.gov;  Hornberger, George Z.
Adobe PDF(2983Kb)  |  收藏  |  浏览/下载:5/4  |  提交时间:2019/11/06