CCPortal

浏览/检索结果: 共4条,第1-4条 帮助

已选(0)清除 条数/页:   排序方式:
Agriculture Changing Sediment and Nutrient Concentrations in Acton Lake 科技资讯
2019
收藏  |  浏览/下载:22/0  |  提交时间:2019/06/11
Acton Lake  agriculture  best management practices  conservation tillage  featured  long-term data  LTREB  Miami University  Michael Vanni  news ticker  NSF  phosphorous  southwestern Ohio  USDA  
Field survey of earthquake effects from the magnitude 4.0 southern Maine earthquake of October 16, 2012 科技报告
报告编号: 70171184, 页数: 23, 2016
作者:  Amy L. Radakovich;  Alex J. Fergusen;  Boatwright, John boat@usgs.gov
Adobe PDF(4344Kb)  |  收藏  |  浏览/下载:3/1  |  提交时间:2019/11/06
Estimating selected low-flow frequency statistics and harmonic-mean flows for ungaged, unregulated streams in Indiana 科技报告
报告编号: 70175300, 页数: 58, 2016
作者:  Martin, Gary R. grmartin@usgs.gov;  Fowler, Kathleen K. kkfowler@usgs.gov;  Arihood, Leslie D. larihood@usgs.gov
Adobe PDF(1859Kb)  |  收藏  |  浏览/下载:3/2  |  提交时间:2019/11/06
Effects of water-supply reservoirs on streamflow in Massachusetts 科技报告
报告编号: 70175959, , 2016
作者:  Levin, Sara B. slevin@usgs.gov
Adobe PDF(3885Kb)  |  收藏  |  浏览/下载:47/13  |  提交时间:2019/11/06