Academia.edu is a platform for academics to share research papers. The company's mission is to accelerate the world's research. Academics use Academia.edu to share their research, monitor deep analytics around the impact of their research, and track the research of academics they follow.
Zotero [zoh-TAIR-oh] is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources. It lives right where you do your work—in the web browser itself. Drag and drop bibliographies anywhere: into an email, a blog post, or any word processor.
Water Resources is one of four science disciplines of the U.S. Geological Survey with the mission is to collect and disseminate reliable, impartial, and timely information needed to understand water resources. For each state the site provides real time data from selected surface-water, groundwater, and water-quality sites.