منابع مشابه
Dust Bowl 3 Drought and dust storms
A farmer and his two sons during a dust storm in Cimarron County, Oklahoma, 1936, Photo: Arthur Rothstein The Dust Bowl, or the Dirty Thirties, was a period of severe dust storms causing major ecological and agricultural damage to American and Canadian prairie lands in the 1930s, particularly in 1934 and 1936. The phenomenon was caused by severe drought coupled with decades of extensive farming...
متن کاملFrom Dust Bowl to Green Circles
Social, economic, cultural, environmental, and other forces of change constantly are reshaping our communities, or more precisely, communal relations. An issue of particular concern is the changing significance of locality to the structure of communal relations. Specifically, is the relevance of locality to individuals’ social interactions changing within our modern society? This empirical inve...
متن کاملThe Cyanophage Molecular Mixing Bowl of Photosynthesis Genes
The aim of the present study was to analyse in invasive carcinomas of the uterine cervix, the anionic glutathione S transferase (GSTi) gene, possibly implicated in the drug resistance of human cancers. Total RNA preparations obtained from invasive cervical cancers (106 specimens), carcinomas in situ (CIS) (three specimens) and normal cervical epitheliums (24 specimens) were analysed by Northern...
متن کاملOn the cause of the 1930s Dust Bowl.
During the 1930s, the United States experienced one of the most devastating droughts of the past century. The drought affected almost two-thirds of the country and parts of Mexico and Canada and was infamous for the numerous dust storms that occurred in the southern Great Plains. In this study, we present model results that indicate that the drought was caused by anomalous tropical sea surface ...
متن کاملThe Enduring Impact of the American Dust Bowl
The 1930’s American Dust Bowl was an environmental catastrophe, associated with massive erosion across parts of the Great Plains. Analyzing new data collected to identify low-, medium-, and high-erosion counties, the Dust Bowl is estimated to have substantially reduced agricultural land values and revenues. During the Great Depression and through at least the 1950’s, there was limited reallocat...
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ژورنال
عنوان ژورنال: Science
سال: 2020
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.370.6520.1054-a