{"id":630,"date":"2024-01-19T09:30:11","date_gmt":"2024-01-19T08:30:11","guid":{"rendered":"https:\/\/wp.unil.ch\/hydmet\/?page_id=630"},"modified":"2024-02-25T16:57:20","modified_gmt":"2024-02-25T15:57:20","slug":"mps-based-spatial-downscaling-of-heavy-rainfall-fields","status":"publish","type":"page","link":"https:\/\/wp.unil.ch\/hydmet\/climate-rainfall-models\/mps-based-spatial-downscaling-of-heavy-rainfall-fields\/","title":{"rendered":"MPS-based spatial precipitation downscaling"},"content":{"rendered":"\n<p>A 2-dimensional precipitation downscaling method is suggested by using the multiple-point geostatistics (MPS) model (Gravey and Mariethoz, 2020) with a precipitation coefficient of variation adjustment. An example of an application in Beijing (China) is provided in the code. The MPS-based downscaling approach can be easily modified and applied to other rainfall products and regions.<\/p>\n\n\n<div class=\"wp-block-image is-resized\">\n<figure class=\"aligncenter size-large\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"718\" src=\"https:\/\/wp.unil.ch\/hydmet\/files\/2024\/01\/MPS_downscaling-1024x718.jpg\" alt=\"\" class=\"wp-image-631\" style=\"width:767px;height:auto\" title=\"\" srcset=\"https:\/\/wp.unil.ch\/hydmet\/files\/2024\/01\/MPS_downscaling-1024x718.jpg 1024w, https:\/\/wp.unil.ch\/hydmet\/files\/2024\/01\/MPS_downscaling-300x210.jpg 300w, https:\/\/wp.unil.ch\/hydmet\/files\/2024\/01\/MPS_downscaling-768x539.jpg 768w, https:\/\/wp.unil.ch\/hydmet\/files\/2024\/01\/MPS_downscaling.jpg 1389w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">An example of downscaling the hourly rainfall field recorded by CMPAS (a) at 10 am, on the 20th of July 2016 over Beijing. The rainfall field was upscaled to 8 km (b), downscaled by the MPS-QS (c), and adjusted for the rainfall CV (d). (e) and (f) present the absolute difference between the original and downscaled images (i.e., |d-a|) and their variograms (respectively).<\/figcaption><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\">References<\/h4>\n\n\n\n<p>Zou, W., Hu, G., Wiersma, P., Yin, S., Xiao, Y., Mariethoz, G.,  Peleg, N., <strong>Multiple-point geostatistics-based spatial downscaling of heavy rainfall fields<\/strong>. Journal of Hydrology, 632, 130899.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Code<\/h4>\n\n\n\n<p>Zou, W., &amp; Peleg, N. (2024). Mutiple-point geostatistics (MPS) based spatial downscaling of heavy rainfall fields &#8212;&#8211; An example of Beijing city. Zenodo. <a href=\"https:\/\/doi.org\/10.5281\/zenodo.10497207\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.5281\/zenodo.10497207<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A 2-dimensional precipitation downscaling method is suggested by using the multiple-point geostatistics (MPS) model (Gravey and Mariethoz, 2020) with a precipitation coefficient of variation adjustment. An example of an application &hellip; <\/p>\n","protected":false},"author":1002277,"featured_media":0,"parent":199,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"class_list":["post-630","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/pages\/630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/users\/1002277"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/comments?post=630"}],"version-history":[{"count":4,"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/pages\/630\/revisions"}],"predecessor-version":[{"id":660,"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/pages\/630\/revisions\/660"}],"up":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/pages\/199"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/hydmet\/wp-json\/wp\/v2\/media?parent=630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}