Water Quality in the Yukon River Basin, Alaska and Canada, Water Years 2009-2013

This is the second water-quality data series resulting from the ongoing partnership between the Yukon River Inter-Tribal Watershed Council (YRITWC) and the U.S. Geological Survey (USGS). The first data series (2006-2008) can be found at http://pubs.er.usgs.gov/publication/ofr20101241. The Yukon River Basin (YRB) is the fourth largest drainage basin in North America (855,000 km2, roughly twice the size of California). (More detailed descriptions can be found in Schuster and others, 2010 and Brabets and others, 2000.) To better understand the effects of climate change on the water quality of the Yukon River and its major tributaries, the USGS and the YRITWC developed a water-quality monitoring program with a vision to create a long-term database. This report contains water-quality data from samples collected in the Yukon River Basin during water years (WY) 2009 through 2013. A broad range of chemical analyses from 61 locations throughout the YRB are available here.