The Kayrakum Reservoir is situated along the Syr Darya (Syr River) in Central Asia, downstream from extensive mining and industrial operations. This document includes a description of these operations. The reservoir has been the recipient of large amounts of sediments since it was put into operation in 1950. As a preliminary study, 50 sediment and 23 soil samples were collected close to the shores of this reservoir and analyzed using energy dispersive X-ray fluorescence. This technique has a sensitivity of 2 ppm for elements above K in the Periodic Table. The results revealed no dangerously...

Predstavleny rezul'taty obrabotki i interpretatsii ranee poluchennykh dannykh po gidrogeokhimii vod osnovnykh rek Tadzhikistana. Dannye byli polucheny v khode vypolneniya mezhdunarodnogo eksperimenta NAVRUZ i proekta MNTTs T-1000. Pri vypolnenii proektov byl proizvedeny otbor obraztsov vody v 32 tochkakh na osnovnykh rekakh Tadzhikistana i odnovremenno izmereny osnovnye fiziko-khimicheskie parametry vody, takie kak temperatura, pH, udel'naya provodimost', obshchiy sostav rastvorennykh veshchestv, solenost', rastvorennyy kislorod i okislitel'no-vosstanovitel'nyy potentsial. Dlya opredeleniya...