Реки, впадающие в Каспийское море»: взгляд через столетия

Широкова, В.А.; Савенкова, В.М.

Авторы: Широкова В.А., Савенкова В.М.
Журнал: Вестник Академии наук Чеченской Республики
Том: 45
Номер: 2
Год издания: 2019
Первая страница: 109
Последняя страница: 113
DOI: 10.25744/vestnik.2019.45.2.018
Аннотация: The study is devoted to a retrospective analysis of "water pollution", the beginning of which can be traced to the works of participants in academic expeditions of the 18th century. The materials on the country's natural waters, collected by the participants of the expeditions, were summarized and systematized by I.P. Falk and I.G. Georgi. On their basis, scientists conducted a classification of natural waters and distributed the surveyed rivers on the basis of their purity and the possibility or harm from the use of their water in everyday life. The classification was based on physico-chemical and geological and geographical features. In the XIX century. in hydrochemical studies, qualitative analysis was used. Cur- rently, to determine the composition of all types of natural waters, quantitative chemical analysis is used in combination with physicochemical methods of research. In the article, the authors tried to compare the quality and "pollution" of the waters of rivers flowing into the Caspian Sea in the XVIII and XXI centu- ries. To compare the state of the rivers, the data of Falk and Georgi and the «Ecological Atlas of Russia», published in 2017, were used. As a result, a disappointing conclusion was made that in a little more than 200 years the water of the «rivers flowing into the Caspian Sea» from «good» and «good» became mostly «polluted» and «dirty».
Добавил в систему: Широкова Вера Александровна

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Реки, впадающие в Каспийское море»: взгляд через столетиястатья

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