Water Circulation Rates in Urumqi and Turfan Areas, Western China, from the Viewpoint of Tritium

Material type: 文書・図像類

Author: KITAOKA, Koichiほか

Publisher: Chiba University. Center for Environmental Remote Sensing

Publication date: 1997-11-05

Material Format: Digital

Capacity, size, etc.: -

NDC: 452.9

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Note (General)：: type:text[ABSTRACT] Tritium concentrations are used to trace water circulation in Urumqi and Turfan areas in Xinjian, western China. Tritium analyses ...

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Material Type: 文書・図像類
Title: Water Circulation Rates in Urumqi and Turfan Areas, Western China, from the Viewpoint of Tritium
Author/Editor: KITAOKA, Koichi
HORIUCHI, Seiji
WATANABE, Maki
OKUDA, Setsuo
MU, Guijin
ZHOU, Hongfei
Author Heading: KITAOKA, Koichi
HORIUCHI, Seiji
WATANABE, Maki
OKUDA, Setsuo
MU, Guijin
ZHOU, Hongfei
Publication, Distribution, etc.: Chiba University. Center for Environmental Remote Sensing
Publication Date: 1997-11-05
Publication Date (W3CDTF): 1997-11-05
Periodical title: Proceedings of the CEReS international symposium = CEReS国際シンポジウム資料集
No. or year of volume/issue: 3
Volume: 3
Pages: 35-42
Text Language Code: eng
NDC: 452.9
450.922
Target Audience: 一般
Note (General): type:text
[ABSTRACT] Tritium concentrations are used to trace water circulation in Urumqi and Turfan areas in Xinjian, western China. Tritium analyses were made for 77 samples of river waters, groundwaters, spring waters, lake waters and glacier ice collected in summers in 1992 and 1994. The tritium concentrations in the waters are in a wide range from 0 to 125 TU. Tritium levels in precipitation in the area are over ten times as high as those at Tokyo. Groundwaters and spring waters in the flat regions are mainly derived from river waters originating in glacier regions. River waters contain more than 50Successelt glacier in summer. Circulating meteoric water part in river water has spent a mean time of about 15 years in groundwater systems in the mountain regions. River waters take several ten years to pass the underground to most springs and wells in the flat regions, though some waters from wells and springs with low tritium content are corresponded to old river water more than 40 years ago. Taking into consideration for tritium enrichment by evaporation in closed and semi-closed lakes, the ratios of groundwater flow into salt lakes to precipitation are relatively small as against those in fresh water lakes.
Access Restrictions: 限定公開
Related Material (NCID): BA40903676
https://ci.nii.ac.jp/ncid/BA40903676
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 千葉大学 : 千葉大学学術成果リポジトリ