Monitoring of Methane Bubble Seepage and Hydrological Parameters in Laspi Bay (Crimea)

被引：1
|
作者：
Budnikov, A. A. [1 ]
Ivanova, I. N. [1 ]
Khurchak, A. I. [2 ]
Malakhova, T. V. [2 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Phys Sea & Inland Waters, Fac Phys, Moscow 119991, Russia
[2] Russian Acad Sci, Inst Biol Southern Seas, Fed Res Ctr, Sevastopol 299011, Russia
来源：
MOSCOW UNIVERSITY PHYSICS BULLETIN | 2023年 / 78卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
methane seeps; Laspi Bay; passive acoustic method; dissolved oxygen content; seasonal monitoring of bubble gas seepage; PASSIVE ACOUSTIC METHOD; COASTAL AREAS;
D O I：
10.3103/S0027134923040057
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The work is dedicated to the study of the temporal variability of shallow methane seepage activity in the coastal area of Laspi Bay and the high-frequency monitoring of daily dynamics of hydrological parameters on this site. The paper presents the results obtained during the summer months of 2016, 2018-2021, and in early February 2023. Using the passive acoustic method, it is shown that the intensity and periodicity of bubble gas emissions from individual seep sources can vary throughout the day and from season to season. It is found that the active seepage area exhibits drop in dissolved oxygen content and saturation compared to a distant (background) area. Moments of sharp decrease in oxygen content, not accompanied by changes in temperature and other hydrological parameters, are noted.
引用
收藏
页码：571 / 577
页数：7
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