{"id":124234,"date":"2022-10-21T09:45:12","date_gmt":"2022-10-21T04:15:12","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=124234"},"modified":"2022-10-21T03:26:54","modified_gmt":"2022-10-20T21:56:54","slug":"know-about-the-aridity-anomaly-outlook-index-2022","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/india\/know-about-the-aridity-anomaly-outlook-index-2022","title":{"rendered":"Know About The Aridity Anomaly Outlook Index, 2022"},"content":{"rendered":"<p><span data-preserver-spaces=\"true\">In the Aridity Anomaly Outlook (AAO) for July 2022, the Indian Meteorological Department (IMD) reported that at least 85% of districts in the country experience dry weather.<\/span><\/p>\n<p><strong><span data-preserver-spaces=\"true\">How does the Aridity Anomaly Outlook Index work?<\/span><\/strong><\/p>\n<p><span data-preserver-spaces=\"true\">The index tracks agricultural drought, which occurs when precipitation and soil moisture are insufficient to maintain healthy crop development until maturity, resulting in crop stress. A deviation from the usual value indicates a water deficit in certain regions, which might directly impact agricultural production. The India Meteorological Department (IMD) designed it.<\/span><\/p>\n<p><strong><span data-preserver-spaces=\"true\">Features<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">Water balance is taken into account in a real-time drought index.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The Aridity Index (AI) is calculated weekly or biweekly.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The actual aridity for each period is matched to the expected aridity for that period.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Moisture excess is shown by negative values, whereas positive values indicate moisture stress.<\/span><\/li>\n<\/ul>\n<p><strong><span data-preserver-spaces=\"true\">Factors that are taken into Consideration<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">Actual evapotranspiration and computed potential evapotranspiration, which need wind, temperature, and solar radiation values, are the parameters.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Actual evapotranspiration is the amount of water eliminated from a surface due to transpiration and evaporation.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The greatest feasible or achievable evapotranspiration for a specific crop owing to evaporation and transpiration is referred to as potential evapotranspiration.<\/span><\/li>\n<\/ul>\n<p><strong><span data-preserver-spaces=\"true\">\u00a0Application<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">Drought damages agriculture, particularly in the tropics, where distinct wet and dry seasons are part of the climatic regime.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">This approach may evaluate both the winter and summer cropping seasons.<\/span><\/li>\n<\/ul>\n<p><strong><span data-preserver-spaces=\"true\">Key Findings<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">It is estimated that only 63 of 756 districts are not arid, and the remaining 660 experience varying degrees of aridity (mild, moderate, and severe).<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">A total of 196 districts are experiencing severe dryness, with 65 located in Uttar Pradesh (highest).<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Bihar has the second-highest number of dry districts (33) behind Rajasthan. The region also has a 45% rainfall deficit.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Maharashtra, Rajasthan, Madhya Pradesh, Haryana, Delhi, Jammu and Kashmir, Telangana, Jharkhand, Andhra Pradesh, Punjab, West Bengal, Karnataka, and Tamil Nadu are among the other States affected by severe aridity.&#8217;<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The SPI on the DEWS platform also shows that there has been a persistent rainfall shortfall in these locations over the previous six months.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Arid conditions have influenced current Kharif sowing, as the area seeded under various Kharif crops as of July 2022 was 13.26 million hectares smaller than at a similar time in 2021.<\/span><\/li>\n<\/ul>\n<p><strong><span data-preserver-spaces=\"true\">What is the Standardised Precipitation Index (SPI)?<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">The SPI is frequently used for describing meteorological dryness over many periods.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The SPI is intimately tied to soil moisture on short durations and can be linked to underground water and reservoir storage on longer timelines.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">The SPI on the Drought Early Warning System (DEWS), an authentic drought monitoring platform operated by the Indian Institute of Technology, Gandhinagar (IIT-G), reveals a six-month rainfall deficiency in these places.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">Bihar, UP, Jharkhand, West Bengal, and portions of the North East are experiencing severe drought, and agriculture in these areas may suffer as a result.<\/span><\/li>\n<\/ul>\n<p><strong><span data-preserver-spaces=\"true\">Indian Meteorological Department (IMD)<\/span><\/strong><\/p>\n<ul>\n<li><span data-preserver-spaces=\"true\">IMD was founded in 1875.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">It functions as a department under the Ministry of Earth Sciences.<\/span><\/li>\n<li><span data-preserver-spaces=\"true\">It is the primary agency in meteorological monitoring, forecasts, and seismology.<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In the Aridity Anomaly Outlook (AAO) for July 2022, the Indian Meteorological Department (IMD) reported that at least 85% of districts in the country experience dry weather. How does the Aridity Anomaly Outlook Index work? The index tracks agricultural drought, which occurs when precipitation and soil moisture are insufficient to maintain healthy crop development until [&hellip;]<\/p>\n","protected":false},"author":21834,"featured_media":125894,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12287,12202,12440,12439,12394,11315,12186],"tags":[],"class_list":{"0":"post-124234","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-agriculture","8":"category-blog","9":"category-climate","10":"category-climate-change","11":"category-crops","12":"category-india","13":"category-nature"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/124234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/users\/21834"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/comments?post=124234"}],"version-history":[{"count":3,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/124234\/revisions"}],"predecessor-version":[{"id":125889,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/124234\/revisions\/125889"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/125894"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=124234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=124234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=124234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}