A more accurate definition of a desert is a region in which the potential evaporation rate is twice as great as the precipitation. The dry tropical climate to the south is dominated by the same high-pressure cells, but it is regularly influenced by the seasonal interaction of a stable continental subtropical air mass and a southerly, unstable maritime tropical air mass. "But even if most are wet enough, it will only take one really dry year to cause big problems.". The coldest temperature recorded there is -10C on January 10, 1913. In the 1980s industrialization in the Gobi intensified environmental pollution. Marrakech & Grand Tour of the Sahara Desert - 6 Days Explore the peaks of the High Atlas mountains and the vast sandy landscapes of the Sahara on this outdoorsy tour. During the day, temperatures hover in the low 60s: ideal weather for outdoor excursions. Sahara desert hit by icy blast and snow blankets parts of Saudi Arabia This includes the record of 56.7C (134.1F) in Death Valley, which is currently considered the highest temperature recorded on Earth. We also use third-party cookies that help us analyze and understand how you use this website. Although some deserts are very hot, with daytime temperatures as high as 54C (130F), other deserts have cold winters or are cold year-round. In the southern Sahara the winter is the period of the harmattan, a dry northeasterly wind laden with sand and other easily transported dust particles. It can be hard to imagine that a place like the Sahara desert could ever have been considered lush and fertile. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'thinkmorocco_com-large-mobile-banner-2','ezslot_16',116,'0','0'])};__ez_fad_position('div-gpt-ad-thinkmorocco_com-large-mobile-banner-2-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'thinkmorocco_com-large-mobile-banner-2','ezslot_17',116,'0','1'])};__ez_fad_position('div-gpt-ad-thinkmorocco_com-large-mobile-banner-2-0_1'); .large-mobile-banner-2-multi-116{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:auto !important;margin-right:auto !important;margin-top:7px !important;max-width:100% !important;min-height:250px;padding:0;text-align:center !important;}. The dust-laden haboob winds of Sudan are of shorter duration, chiefly occur during the summer months, and often usher in heavy rains. This cookie is set by GDPR Cookie Consent plugin. In these locations, stable descending air and high pressure aloft clear clouds and create hot, arid conditions with intense sunshine. In Egypt they are known as the khamsin, in Libya as the ghibli, and in Tunisia as the chili. Summer arrives in June and so does the heat. The Sahara Desert's vast, harsh landscape is home to little life, but hardy animals and vegetation can be found in sparse pockets like the Merzouga oasis in Morocco. Still, the Moroccan Sahara is not a place to visit casually or spontaneously: to have the best experience in this far-flung region, it's best to plan well ahead of time. New Year celebrations. Human activity seems to have contributed to the stability of the desert by increasing surface reflectivity and by reducing evapotranspiration. The heat of the desert can reach extreme temperatures during the day. In the salt marshes, too, halophilous groups prevail: potash bush, Siberian nitre bush, tamarisk, and annual halophytes; in the sands grow saxaul, the sandy wormwood, and sparse perennial and annual herbs such as the annual Gobi kumarchik (Agriophylum gobicum) and the perennial timuriya (Timouria villosa).
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