Abstract
Seasonal dynamics of temperature and salinity at the standard depths is restored for the network of oceanographic stations on southeastern shelf of Sakhalin by the methods of statistical modeling (GIS Sakhalin Shelf) using the data base of ~40 years observations. Spatial fields of temperature and salinity are reconstructed by means of the oceanic model of the University of Bergen. Some new features of the oceanographic regime are revealed. Detailed annual cycles of temperature and salinity are determined for the first time that has allowed to calculate the mean month three-dimensional water circulation for all seasons, including the ice period.
Highlights
Seasonal dynamics of temperature and salinity at the standard depths is restored for the network of oceanographic stations on southeastern shelf of Sakhalin by the methods of statistical modeling (GIS Sakhalin Shelf) using the data base of ~40 years observations
Spatial fields of temperature and salinity are reconstructed by means of the oceanic model of the University of Bergen
Detailed annual cycles of temperature and salinity are determined for the first time that has allowed to calculate the mean month three-dimensional water circulation for all seasons, including the ice period
Summary
Методами статистического моделирования (ГИС «Сахалинский шельф») восстановлен годовой ход температуры и солености воды на стандартных горизонтах на сети океанографических станций юго-восточного шельфа Сахалина (общая продолжительность наблюдений ~40 лет). Detailed annual cycles of temperature and salinity are determined for the first time that has allowed to calculate the mean month three-dimensional water circulation for all seasons, including the ice period. Общий методологический подход остается прежним — реализация авторами идеи последовательного применения трех специализированных электронных инструментов: ГИС «Сахалинский шельф» (для восстановления годового хода температуры (Tw) и солености (Sw) воды на сети стандартных гидрологических станций); адаптированной версии океанической модели Бергенского университета (БОМ) (для моделирования циркуляции вод и расчетов водообмена через границы выделенных районов) и на заключительном этапе на основе полученных результатов — оценка биогидрохимических условий функционирования морских экосистем с применением гидроэкологической CNPSi-модели (Леонов и др., 2010а, б, 2011, 2016). Полученные данные вводились в БОМ для восстановления ежемесячных полей термохалинных характеристик и расчетов циркуляции вод, анализ пространственновременной изменчивости которых представлен в работе
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