Search Results

Atrazine Monitoring and Modeling in the Lake Lavon Watershed

Description: This report describes a study to identify the distribution and extent of areas potentially at risk for atrazine (a broad leaf weedkiller) runoff in the Lake Lavon watershed, which is a major water supply for the Dallas area. The report presents the results of the study and makes recommendations for how information can be used in a cost-effective watershed atrazine reduction strategy.
Date: August 2001
Creator: Atkinson, Samuel F.; Waller, William T.; Dickson, Kenneth L.; Sanmanee, Sirichai & Moreno, Maria C.
Partner: UNT Libraries

Africa: Atlas of Our Changing Environment

Description: This comprehensive atlas provides data, satellite imagery, and analysis of the environmental conditions and issues relevant to each African country, and several surrounding island nations. The atlas also covers trans-border international issues in Africa.
Date: 2008
Creator: United Nations Environment Programme
Partner: UNT Libraries

How Healthy is the Upper Trinity River?: Biological and Water Quality Perspectives

Description: This conference report contains discussions and papers from a symposium hosted at Texas Christian University, in Fort Worth, Texas, examining the ecological health of the Upper Trinity River, and the impacts of various human activity, such as agriculture, urbanization, and waste management. The papers cover the effect of water quality on urban rivers, long-term water quality trends in the Trinity River, solutions that may improve water quality in the river, as well as biological, agricultural and waste-water issues.
Date: 1990
Creator: Jensen, Ric
Partner: UNT Libraries

Quantitative Analysis of Water and Biological Samples for Determination of Haleogenated Organics in the Upper Trinity River, Texas : Final Technical Report

Description: This study had three objectives: 1) to develop a method for the quantitative determination of total organic bound chlorine in water and biological samples using Source-Excited X-Ray Fluorescence, 2) to provide training in the use of analytical techniques for students from different disciplines, and 3) to use an interdisciplinary approach involving students of biology, chemistry, and physics to investigate a complex environmental problem. Only the first objective is treated in detail in this volume.
Date: 1976
Creator: Johnson, David E.
Partner: UNT Institute of Applied Sciences

Land-based sources protocol to Cartagena Convention : message from the President of the United States transmitting protocol concerning pollution from land-based sources and activities ("the Protocol") to the Convention for the Protection and Development of the Marine Environment of the Wider Caribbean Region, with annexes, done at Oranjestad, Aruba, on October 6, 1999, and signed by the United States on that same date

Description: This treaty sets out general legal obligations to protect the marine environment of the Gulf of Mexico, Straits of Florida, Caribbean Sea, and immediately adjacent areas of the Atlantic Ocean-collectively known as the Wider Caribbean Region.
Date: 2007
Creator: United States. President (2001-2009 : Bush) & Rice, Condoleezza, 1954-
Partner: UNT Libraries