Projected effects of proposed salinity-control projects on shallow ground water; preliminary results for the upper Brazos River basin, Texas

Projected effects of proposed chloride-control projects on shallow ground water– Preliminary results for the Wichita River basin, Texas

“…Laboratory values of hydraulic conductivity determined for sandstone cores of the San Angel o Formation in the upper Brazos River basin range from 0.002 to 0.009 ft/d (Garza, 1982). Hogan and Sipes (1966, The specific yield of a saturated unit of an unconfined aquifer is the ratio (fraction) of the volume of water drained by gravity to the total volume of the unit.…”

Βελτιστοποίηση Αντλήσεων Παράκτιων Υδροφορέων Με Περιβαλλοντικά Και Οικονομικά Κριτήρια

“…Ïé Burnham et al [1977] ìåëÝôçóáí Ýíá óýóôçìá ðáñÜêôéïõ õäñïöïñÝá óôïí ïðïßï áíôëåßôáé õöÜëìõñï íåñü, ÷ñçóéìïðïéþíôáò áíáëõôéêÝò ëýóåéò ãéá íá õðïëïãßóïõí ôç äéáöïñÜ ôçò óõãêÝíôñùóçò, ðåðåñáóìÝíåò äéáöïñÝò ãéá ôïí õðïëïãéóìü ôïõ õäñáõëéêïý öïñôßïõ ôïõ ãëõêïý íåñïý, êáé ôç ìÝèïäï Hubbert [Hubert 1940] ãéá ôï ðñïóäéïñéóìü ôçò èÝóçò ôçò äéåðéöÜíåéáò. Ìå âÜóç ôçí õðüèåóç Dupuit ãéá ôçí ðåñßðôùóç ôçò ìç ìüíéìçò ñïÞò ïé Bonnet and Sauty [1975], Pinder and Page [1977], Mercer et al [1980], Garza [1982], Wilson and Sa Da Costa [1982] åöÜñìïóáí ìéá ìÝèïäï ìå ôçí ïðïßá ðñïóïìïßùóáí Ýíá óýóôçìá ãëõêïý íåñïý êáé Ýíá óýóôçìá áëìõñïý íåñïý ùò äýï äéáöïñåôéêÜ áíåîÜñôçôá óõóôÞìáôá ñïÞò ôá ïðïßá åöÜðôïíôáé óå Ýíá êïéíü üñéï óôï ïðïßï éêáíïðïéåßôáé ç óõíèÞêç éóïññïðßáò Hubert [1940]. ÁõôÞ ç ìåèïäïëïãßá áðáéôåß ôçí ôáõôü÷ñïíç åðßëõóç ôùí äéáöïñéêþí åîéóþóåùí ðïõ ðåñéãñÜöïõí ôçí êßíçóç óå êÜèå áíåîÜñôçôï óýóôçìá.…”