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Featured researches published by Srinath Rajagopalan.


Transportation Research Record | 2007

Alternative Water Sources in Earthwork Construction

Priyantha W. Jayawickrama; Srinath Rajagopalan

During periods of drought, good-quality water becomes a precious commodity, especially in those parts of the United States that receive little rainfall. One way to reduce the demand for drinking water is to substitute non-drinking-quality water in earthwork construction. If nonpotable water from local sources can be used in construction, then the need for hauling in good-quality water from distant sources and the potential for construction delays because of water rationing can be avoided. A research study investigated the feasibility of using alternative water sources in earthwork construction. As a part of this study, alternative water supplies in Texas were identified and characterized for quality and volume availability. In addition, each proposed water source was evaluated to determine whether there were any adverse environmental impacts from its use in earthwork construction. Potential impact from the use of low-quality water on constructability, material behavior, and performance also were evaluated. Of special interest were the effects on corrosive potential, sulfate heave, and dispersion potential of the soil. Simple predictive models are presented to help when decisions are made regarding acceptance or rejection of water obtained from a specific source.


Environmental Science & Technology | 2005

The origin of naturally occurring perchlorate: The role of atmospheric processes

Purnendu K. Dasgupta; P. Kalyani Martinelango; W. Andrew Jackson; Todd A. Anderson; Kang Tian; and Richard W. Tock; Srinath Rajagopalan


Environmental Science & Technology | 2007

Widespread Natural Perchlorate in Unsaturated Zones of the Southwest United States

Balaji Rao; Todd A. Anderson; Greta J. Orris; Ken Rainwater; Srinath Rajagopalan; Renee M. Sandvig; Bridget R. Scanlon; David A. Stonestrom; Michelle Ann Walvoord; W. Andrew Jackson


Environmental Science & Technology | 2006

Widespread presence of naturally occurring perchlorate in high plains of Texas and New Mexico.

Srinath Rajagopalan; Todd A. Anderson; Lynne Fahlquist; Ken Rainwater; Moira K. Ridley; W. Andrew Jackson


Environmental Science & Technology | 2009

Perchlorate in Wet Deposition Across North America

Srinath Rajagopalan; Todd A. Anderson; Stephen B. Cox; Greg Harvey; Qiuqiong Cheng; W. Andrew Jackson


Ground Water Monitoring and Remediation | 2005

Perchlorate occurrence in the Texas Southern High Plains Aquifer System

W. Andrew Jackson; Srinivasa Kumar Anandam; Todd A. Anderson; Tom Lehman; Ken Rainwater; Srinath Rajagopalan; Moira Ridley; Richard Tock


Geochimica et Cosmochimica Acta | 2015

Global patterns and environmental controls of perchlorate and nitrate co-occurrence in arid and semi-arid environments

W. Andrew Jackson; John Karl Böhlke; Brian J. Andraski; Lynne Fahlquist; Laura M. Bexfield; Frank D. Eckardt; John B. Gates; Alfonso F. Davila; Christopher P. McKay; Balaji Rao; Ritesh Sevanthi; Srinath Rajagopalan; Nubia Estrada; Neil C. Sturchio; Paul B. Hatzinger; Todd A. Anderson; Greta J. Orris; Julio L. Betancourt; David A. Stonestrom; Claudio Latorre; Yanhe Li; Gregory J. Harvey


Water Air and Soil Pollution | 2009

The Fallout from Fireworks: Perchlorate in Total Deposition

J.E. Munster; Gilbert N. Hanson; W. Andrew Jackson; Srinath Rajagopalan


Archive | 2006

Occurrence and Formation of Non-Anthropogenic Perchlorate

W. Andrew Jackson; Todd A. Anderson; Greg Harvey; Greta J. Orris; Srinath Rajagopalan; Namgoo Kang


Archive | 2004

DISTRIBUTION AND POTENTIAL SOURCES OF PERCHLORATE IN THE HIGH PLAINS REGION OF TEXAS FINAL REPORT

W. Andrew Jackson; Ken Rainwater; Todd A. Anderson; Tom Lehman; Richard Tock; Srinath Rajagopalan; Moira K. Ridley

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Greta J. Orris

United States Geological Survey

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David A. Stonestrom

United States Geological Survey

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Greg Harvey

Wright-Patterson Air Force Base

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Lynne Fahlquist

United States Geological Survey

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