{"id":59095,"date":"2020-09-02T19:16:00","date_gmt":"2020-09-02T16:16:00","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/regional-variations-in-freshwater-overconsumption\/"},"modified":"2020-09-02T19:16:00","modified_gmt":"2020-09-02T16:16:00","slug":"regional-variations-in-freshwater-overconsumption","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/regional-variations-in-freshwater-overconsumption\/","title":{"rendered":"#Regional variations in freshwater overconsumption"},"content":{"rendered":"

“#Regional variations in freshwater overconsumption<\/strong>”<\/p>\n

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\"freshwater<\/img>
\n Credit: CC0 Public Domain
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Freshwater\u2014which falls to the earth as precipitation or exists beneath the surface as groundwater\u2014is desperately needed to sustain people, plants and animals. With an ever-increasing human population, water shortages are already occurring in many areas are only expected to get worse. Now, researchers reporting in ACS’ Environmental Science<\/a> & Technology<\/a><\/i> have estimated the freshwater supply and demand of about 11,000 water basins across the globe, determining that one-fourth of freshwater consumption exceeds regional capacities.<\/p>\n

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People use freshwater for many essential purposes, including drinking, hygiene and irrigating crops. Studies have estimated that the current global level of freshwater consumption does not exceed the global supply. However, regional variations exist, and the need to grow more food for larger populations will increase freshwater demand. In addition, international trade\u2014for example, water-scare countries importing food from water-rich countries\u2014can influence regional freshwater supply and demand. Masaharu Motoshita and colleagues wanted to conduct a comprehensive analysis of how much freshwater is available for human consumption in many different regions. They also wanted to determine how much of this water is essential to sustain human life, and how much is surplus or “luxury” consumption.<\/p>\n

To find out, the researchers calculated the freshwater available for humans in about 11,000 watersheds around the world and compared that amount with the water consumed in that region for basic human needs (drinking water, food production and hygiene), as well as luxury use. They found that about 24% of total freshwater used by humans in these watersheds exceeded regional capacities, often at the expense of ecosystems. About 59% of this overconsumption was to satisfy basic human needs, while the rest was luxury use. In many areas, overconsumption occurred only at certain times of the year. International trade alleviated about 4.8% of global overconsumption. Although options to reduce water overconsumption vary by region, some possibilities include improving irrigation efficiency, shifting to less water-intensive crops or different production sites, increasing water storage in reservoirs, reducing food waste and changing food consumption patterns, the researchers say.<\/p>\n

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More information:<\/strong>
\n Masaharu Motoshita et al. Regional Carrying Capacities of Freshwater Consumption\u2014Current Pressure and Its Sources, Environmental Science & Technology<\/i> (2020). DOI: 10.1021\/acs.est.0c01544\n <\/div>\n

\n Citation<\/strong>:
\n Regional variations in freshwater overconsumption (2020, September 2)
\n retrieved 2 September 2020
\n from https:\/\/phys.org\/news<\/a>\/2020-09-regional-variations-freshwater-overconsumption.html<\/p>\n

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“#Regional variations in freshwater overconsumption” Credit: CC0 Public Domain Freshwater\u2014which falls to the earth as precipitation or exists beneath the surface as groundwater\u2014is desperately needed to sustain people, plants and animals. With an ever-increasing human population, water shortages are already occurring in many areas are only expected to get worse. Now, researchers reporting in ACS’…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[10595,63582],"class_list":["post-59095","post","type-post","status-publish","format-standard","hentry","category-sciencee","tag-environment","tag-regional-variations-in-freshwater-overconsumption"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/59095","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=59095"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/59095\/revisions"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=59095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=59095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=59095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}