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pro vyhledávání: '"Nicholas L. Shepherd"'
Autor:
Nicholas L. Shepherd, Ed Keheley, Russell C. Dutnell, Carlton A. Folz, Brandon Holzbauer-Schweitzer, Robert W. Nairn
Publikováno v:
Journal of Maps, Pp 1-11 (2022)
Mining began in the Picher field, in the Oklahoma and Kansas portion of the Tri-State Lead-Zinc Mining District in the United States, during the 1900s and ceased in the 1970s, producing an estimated 1.5 million metric tons (m-tons) of lead and 8 mill
Externí odkaz:
https://doaj.org/article/74baea5ca098467f8e72ddbcde1d886e
Autor:
Robert W. Nairn, Nicholas L. Shepherd
Publikováno v:
Wetlands Ecology and Management. 30:127-137
This study investigated the potential for increased aqueous metals loading due to induced flushing events following removal of beaver dams created on a net alkaline mine drainage (MD) impacted stream. The study reach of an unnamed tributary (UT) to T
Autor:
Robert W. Nairn, Pedro Hervé-Fernández, Justin Hugo, Christian Wolkersdorfer, Brandon K. Holzbauer-Schweitzer, William H. J. Strosnider, Nicholas L. Shepherd
Publikováno v:
Mine Water and the Environment. 39:165-172
Coal mine drainage (CMD) negatively affects aquatic ecosystems around the world. This article presents the current state of regulatory guidelines and discharge limits established for selected parameters of concern in CMD: specific conductance (SC), S
Autor:
Nicholas L. Shepherd, Cody A. Neely, Margaret Dunn, Timothy P. Danehy, Clifford F. Denholm, Robert W. Nairn
Publikováno v:
Mine Water and the Environment. 39:68-74
Spent organic media from the vertical flow bioreactor process unit of a passive treatment system (PTS), which received acidic drainage from an abandoned coal mine for 15 years, was evaluated. The Jennings PTS (Butler County, Pennsylvania, USA) was bu
Autor:
Nicholas L. Shepherd, Robert W. Nairn
Publikováno v:
The Science of the total environment. 731
This study investigated two aspects of Castor canadensis (North American Beaver) colonization on a net alkaline mine drainage impacted tributary to Tar Creek (Ottawa County, OK, USA). Specifically, the retention of metals due to the presence of beave