Variations of the Oxygen Isotopic Composition of the Yauza River within the City of Moscow in 2019-2021 under the Effect of Snow Melting and Heavy Rains

被引：0

作者：

Vasil'chuk, Yu. K. ^{[1
]}

Budantseva, N. A. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia

来源：

WATER RESOURCES | 2024年 / 51卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

oxygen isotopes; precipitation; the Yauza River; seasonality; isotope signal; snowmelt water; WATER; O-18;

D O I：

10.1134/S0097807823700689

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Seasonal variations of the oxygen isotope composition (delta O-18) of the Yauza River since June 2019 to November 2021 are studied based on weekly samples, along with the isotopic composition and amount of precipitation over this period in Moscow. The seasonal character of the isotopic composition variations is shown both for precipitation and river water with the amplitude of variations in the isotope characteristics in precipitation being appreciably higher than in river water. The features of changes in the isotopic composition of Yauza River water are shown for the periods of snow melting in 2020 and 2021, which differ in the amount of snow reserves in the preceding winter seasons and in the volumes of snowmelt water. It is also shown that heavy rains in spring and autumn can lead to rapid (within several hours or the next day after rain) changes in the isotopic composition of river water by 1.0-2.3 parts per thousand.

引用

页码：127 / 134

页数：8

共 36 条

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