CCPortal

浏览/检索结果: 共20条,第1-10条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
The major coral reefs of Maui Nui, Hawai‘i—distribution, physical characteristics, oceanographic controls, and environmental threats 科技报告
报告编号: 70202388, 页数: 80, 2019
作者:  Field, Michael E. mfield@usgs.gov;  Storlazzi, Curt D. cstorlazzi@usgs.gov;  Gibbs, Ann E. agibbs@usgs.gov;  D'Antonio, Nicole L.;  Cochran, Susan A. scochran@usgs.gov
Adobe PDF(30349Kb)  |  收藏  |  浏览/下载:53/14  |  提交时间:2019/11/06
2018 update to the U.S. Geological Survey national volcanic threat assessment 科技报告
报告编号: 70200174, 页数: 50, 2018
作者:  Ewert, John W.;  Diefenbach, Angela K.;  Ramsey, David W. dramsey@usgs.gov
Adobe PDF(24858Kb)  |  收藏  |  浏览/下载:8/3  |  提交时间:2019/11/06
Geologic, hydrologic, and water-quality data from multiple-well monitoring sites in the Bunker Hill and Yucaipa Groundwater Subbasins, San Bernardino County, California, 1974–2016 科技报告
报告编号: 70199146, , 2018
作者:  Mendez, Gregory O. gomendez@usgs.gov;  Anders, Robert randers@usgs.gov;  McPherson, Kelly R. krmcpher@usgs.gov;  Danskin, Wesley R. wdanskin@usgs.gov
Adobe PDF(24480Kb)  |  收藏  |  浏览/下载:40/13  |  提交时间:2019/11/06
Method comparisons for determining concentrations of metals in water samples used in studies of fish migratory histories 科技报告
报告编号: 70200503, 页数: 32, 2018
作者:  Ziegeweid, Jeffrey R. jrziege@usgs.gov;  Zigler, Steven J. szigler@usgs.gov;  Maki, Ryan P.;  Karns, Byron N.;  Love, Seth A.
Adobe PDF(2208Kb)  |  收藏  |  浏览/下载:52/26  |  提交时间:2019/11/06
Geochemical data for water, streambed sediment, and fish tissue from the Sierra Nevada Mercury Impairment Project, 2011–12 科技报告
报告编号: 70191543, , 2018
作者:  Stumpner, Elizabeth B. estumpner@usgs.gov;  Alpers, Charles N. cnalpers@usgs.gov;  Marvin-DiPasquale, Mark C. mmarvin@usgs.gov;  Agee, Jennifer L. jlagee@usgs.gov;  Kakouros, Evangelos kakouros@usgs.gov;  Arias, Michelle R. mrbeyer@usgs.gov;  Kieu, Le H. lkieu@usgs.gov;  Roth, David A. daroth@usgs.gov;  Slotton, Darrell G.;  Fleck, Jacob A. jafleck@usgs.gov
Adobe PDF(4334Kb)  |  收藏  |  浏览/下载:51/19  |  提交时间:2019/11/06
Procedures for using the Horiba Scientific Aqualog® fluorometer to measure absorbance and fluorescence from dissolved organic matter 科技报告
报告编号: 70197568, , 2018
作者:  Hansen, Angela M.;  Fleck, Jacob jafleck@usgs.gov;  Kraus, Tamara E. C. tkraus@usgs.gov;  Downing, Bryan D. bdowning@usgs.gov;  von Dessonneck, Travis;  Bergamaschi, Brian bbergama@usgs.gov
Adobe PDF(4808Kb)  |  收藏  |  浏览/下载:26/9  |  提交时间:2019/11/06
Mercury on a landscape scale—Balancing regional export with wildlife health 科技报告
报告编号: 70197405, 页数: 93, 2018
作者:  Marvin-DiPasquale, Mark C. mmarvin@usgs.gov;  Windham-Myers, Lisamarie lwindham-myers@usgs.gov;  Fleck, Jacob A. jafleck@usgs.gov;  Ackerman, Joshua T. jackerman@usgs.gov;  Eagles-Smith, Collin A. ceagles-smith@usgs.gov;  McQuillen, Harry
Adobe PDF(3228Kb)  |  收藏  |  浏览/下载:76/33  |  提交时间:2019/11/06
One-meter topobathymetric digital elevation model for Majuro Atoll, Republic of the Marshall Islands, 1944 to 2016 科技报告
报告编号: 70196146, 页数: 27, 2018
作者:  Palaseanu-Lovejoy, Monica mpal@usgs.gov;  Poppenga, Sandra K. spoppenga@usgs.gov;  Danielson, Jeffrey J. daniels@usgs.gov;  Tyler, Dean J. dtyler@usgs.gov;  Gesch, Dean B. gesch@usgs.gov;  Kottermair, Maria;  Jalandoni, Andrea;  Carlson, Edward;  Thatcher, Cindy A. thatcherc@usgs.gov;  Barbee, Matthew M.
Adobe PDF(2665Kb)  |  收藏  |  浏览/下载:42/14  |  提交时间:2019/11/06
Characterization of water quality in Bushy Park Reservoir, South Carolina, 2013–15 科技报告
报告编号: 70195642, 页数: 192, 2018
作者:  Conrads, Paul A. pconrads@usgs.gov;  Journey, Celeste A. cjourney@usgs.gov;  Petkewich, Matthew D. mdpetkew@usgs.gov;  Lanier, Timothy H. thlanier@usgs.gov;  Clark, Jimmy M. jmclark@usgs.gov
Adobe PDF(28252Kb)  |  收藏  |  浏览/下载:83/10  |  提交时间:2019/11/06
Quartz-pebble-conglomerate gold deposits: Chapter P in Mineral deposit models for resource assessment 科技报告
报告编号: 70196218, 页数: 44, 2018
作者:  Taylor, Ryan D. rtaylor@usgs.gov;  Anderson, Eric D. ericanderson@usgs.gov
Adobe PDF(6658Kb)  |  收藏  |  浏览/下载:44/16  |  提交时间:2019/11/06