Detail Standardized procedure for predicting impacts from surface lignite mining on groundwater system tested at the Gibbons Creek Lignite Mine, Grimes County, Texas Bibliografi Author: Promma, Kitchakarn ; Mathewson, Christopher C. (Advisor) Topik: GEOLOGY|HYDROLOGY|ENVIRONMENTAL SCIENCES Bahasa: (EN )    ISBN: 0-599-35087-3     Penerbit: TEXAS A&M UNIVERSITY     Tahun Terbit: 1999     Jenis: Theses - Dissertation Fulltext: 9934478.pdf (0.0B; 1 download) Abstract A major environmental concern in surface mining is ground-water impacts. Existing procedures for predicting ground-water impacts are not systematic, universal, or effective. Therefore, a standardized procedure needs to be developed. Twenty-six procedures were analyzed for strengths and weaknesses. These procedures are used for site and mine characterization, overburden and minesoil analysis, ground-water monitoring, and ground-water modeling. The standardized procedure combined elements selected from the analysis using spine-rib and top-down structure. The flow diagram of this standardized procedure consists of one start, one stop, one information database, four decisions, five loops, six single tasks, and four modular tasks. Major tasks include: (1) determining a reason for prediction, (2) defining goals of prediction, (3) reviewing literature, (4) organizing an information database, (5) characterizing a study site, (6) analyzing overburden and minesoils, (7) monitoring a ground-water system, (8) modeling the ground-water system, (9) predicting ground-water impacts, (10) evaluating the prediction, and (11) reporting the prediction. The demonstration showed how to use the standardized procedure to predict ground-water impacts at the B1 mine block of the Gibbons Creek Lignite Mine, Grimes County, Texas. Predictions involved: (1) using premine data to predict impacts during mining, (2) using data during mining to predict impacts after mining, and (3) using present data to predict impacts at steady state conditions. Postaudits suggested that the predictions match field observations. The demonstration proved that the standardized procedure is universal, systematic, and effective. This procedure can be used to predict ground-water impacts at a surface mine. Opini Anda Klik untuk menuliskan opini Anda tentang koleksi ini! Lihat Sejarah Pengadaan  Konversi Metadata   Kembali

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