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211.アタカマ砂漠高地の牧場 Pastures in a height of the Atacama Desert

211.アタカマ砂漠高地の牧場 Pastures in a height of the Atacama Desert

by Eiji Matsumoto

This photo is selected for Google Earth [?] - ID: 25680013

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Eiji Matsumoto, on August 31, said:

Parts of the Atacama Desert higher than 2500 meters above sea level are under the highland desert climate. The annual precipitation of several tens millimeters make it possible to develop a dispersed vegetation. This photograph shows a pasture at 3150 meters high in the valley of the Paipote, a right bank tributary of the Copiapó River. Grasses grow both on the salty valley bottoms and on valley slopes with dispersed scrubs. A lot of cattle lane is found on slopes. Judged from the absence of cattle this can be a temporal pasture for transhumance. Photographed on August 30, 2003.

アタカマ砂漠でも、標高2500mを超えると高地砂漠気候の地帯に入る。冬を中心に年間数十mmの降雨があり、疎らな草本や灌木が見られるようになる。たとえば、標高2850mのポトレリジョス鉱山では、5月~8月を中心に、年に60mm程度の降雨がある。写真は、コピアポー川右岸の支流、パイポテ沢(Qebrado de Paipote)を遡った標高3150mの谷間にある牧場。塩類が析出した谷底にも草が生え、灌木が点在する斜面にも、季節によっては草が茂り、家畜の道(cattle lane)が多数発達している。家畜の影が見えないところからみて、移牧用の季節的な牧場かもしれない。2003年8月30日撮影。

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Photo details:

  • Viewed 58 times
  • Uploaded on August 15
  • © All Rights Reserved
    by Eiji Matsumoto
  • Extra information
    • Camera: OLYMPUS OPTICAL CO.,LTD E-10
    • Taken on 2003/08/30 13:44:52
    • Exposure: 0.002s (1/640)
    • Focal Length: 15.00mm
    • F/Stop: f/5.000
    • ISO Speed: ISO80
    • Exposure Bias: 0.00 EV
    • No flash