世界上最高的沙丘_地理世界之最

编者:地理学者 来源:最有料 时间:2014-12-09 10:11 最签:最高 浏览:

巴丹吉林沙漠,位于内蒙古自治区的西部,是中国四大沙漠之一,总面积4.7万平方公里。其中的巴彦淖尔、吉诃德沙山是世界上最高的沙丘。巴丹吉林沙漠年降水量不足40毫米,但是沙漠

  巴丹吉林沙漠,位于内蒙古自治区的西部,是中国四大沙漠之一,总面积4.7万平方公里。其中的巴彦淖尔、吉诃德沙山是世界上最高的沙丘。巴丹吉林沙漠年降水量不足40毫米,但是沙漠中的湖泊竟然多达100多个。高耸入云的沙山,神秘莫测的鸣沙,静谧的湖泊、湿地,构成了巴丹吉林沙漠独特的迷人景观,每年吸引了上万名国内外游客前来观光。

  

世界上最高的沙丘

 

  巴丹吉林沙漠(Badain Jaran Desert),位于我国内蒙古自治区阿拉善盟阿拉善右旗北部,雅布赖山以西、北大山以北、弱水以东、拐子湖以南。位于北纬39°30’~42°,东经98°30’~104°,面积4.43万平方公里,是我国第三大沙漠,其中西北部还有1万多平方公里的沙漠至今没有人类的足迹。主要属内蒙古额济纳旗和阿拉善右旗,东部小范围属阿拉善左旗。巴丹吉林系蒙古语,沙漠以一居民点而得名。

  沙漠海拔高度在1200-1700米之间,沙山相对高度可达500多米,必鲁图峰海拔1617米,垂直高度约435米,堪称”沙漠珠穆朗玛峰”。处于阿拉善沙漠中心,气候干旱,流动沙丘占沙漠面积的83% ,移动速度较小 。中部有密集的高大沙山,一般高200 ~ 300 米,最高的达 500米。以复合型沙山为主,为北 30°~40°东方向排列,系西北风的强大影响所致。高大沙山的周围为沙丘链,一般高20~50米。

  

世界上最高的沙丘

 

  沙丘和沙山上长有稀疏植物,西部以沙拐枣、籽蒿、麻黄为主;东部主要为籽蒿和沙竹,沙拐枣、麻黄等逐渐减少。边缘生长芦苇、芨芨草等 ,为主要牧场。有些湖盆边缘有淡水泉出露,为治理沙漠提供了条件。巴丹吉林沙漠平均每10平方公里不到1人。在整个沙漠内部,仅有巴丹吉林庙和库乃头庙两大居民点。基本无种植业。全部经营牧业,骆驼为该地主要家畜,数量居中国各旗县之冠;次为山绵羊。沙漠内部无固定道路,横穿腹部异常困难,中部及东北部基本为无水区。东南部的雅布赖盐湖盛产食盐,西部的古鲁乃湖及巴丹吉林庙附近的一些湖泊内有碳酸钠的沉积。

  Badan Jilin desert, is located in the west of the Inner Mongolia Autonomous Region, is one of the China four desert, a total area of 47000 square kilometers. TheBayannaoer, Don Quixote Sand Mountain is the highest sand dunes in the world.Badan Jilin desert annual rainfall less than 40 mm, but the lake in the desert was up to more than 100. Touch the Sky hills, mysterious Mingsha, quiet lake, wetland,constitute the charming landscape Badan Jilin desert unique, every year attracts tens of thousands of visitors from home and abroad.

  The world's tallest dunes

  Badan Jilin desert (Badain Jaran Desert), is located in China's the Inner Mongolia Autonomous Region Alashan Right Banner, Alxa League North, Jaap Lai Mountain West, North mountains to the north, East, South Guaizi Lake water. Located at latitude 39 degrees 30 'to 42 degrees east longitude 98 degrees 30', to 104 degrees, an area of 44300 square kilometers, is China's third largest desert, the northwest and more than 1 square kilometers of desert has no human footprints. Mainly belongs to Inner Mongolia Ejinaqi and Alashan Right Banner, the Eastern small range belongs toAlashan left banner. Badan Jilin desert is Mongolian, a residential named.

  The desert at an altitude of 1200-1700 meters between, sand mountain and the relative height of up to more than 500 meters, will Lu Tufeng elevation 1617 meters,the vertical height of about 435 meters, can be called "desert Mount Qomolangma". Inthe Alashan desert center, arid climate, sand dune desert area accounted for 83%,moving speed of the smaller. Central has megadune intensive, generally 200 ~ 300 meters high, the highest of 500 meters. To compound sand hill based, north of 30degrees to 40 degrees east to the arrangement, the influence caused by strongnorthwest wind. Around the megadunes for dune chain, general 20 ~ 50 meters high.

  The world's tallest dunes

  Sand dunes and dune has long sparse plant, West to Calligonum, Artemisia, Herba Ephedrae; Eastern mainly Artemisia sphaerocephala and sand Calligonum, bamboo,such as ephedra gradually reduce. Edge growing reed, Achnatherum splendens, as the main ranch. Some lacustrine basin margin a freshwater spring exposed, providing conditions for desert control. Badan Jilin desert on average every 10 square kilometers of less than 1 people. In the desert interior, Badan Jilin temple and thelibrary is only the head Temple two major settlements. The basic non farming. All themanagement of animal husbandry, the camel is the main livestock the number in China, various banners crown for mountain sheep. No fixed way across the desert interior, abdominal extremely difficult, central and northeastern basic as anhydrousregion. Southeastern yabrai Saline Lake teems with salt, deposition of some lakesnear the ancient Lunas lake and Badan Jilin Temple West of a sodium carbonate.

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