洮河是黄河上游的第二大支流，发源于青海省河南蒙古族自治县西倾山东麓，于甘肃省永靖县汇入黄河刘家峡库区，洮河流域周围，东以鸟鼠山、马衔山与渭河、祖厉河分水，西以长岭山与大夏河为界，北邻黄河干流，南抵西秦岭山脉。全长673公里。

      洮河干流自河源由西向东流至岷县后受阻，急转弯改向由南向北流，形如一横卧的"L"字形。 根据自然特点，干流分为三段:岷县西寨以上为上游，河道长384公里，河谷开阔，地势平缓，两岸草原广布，水流稳定，水清见底，割切侵蚀微弱，河道比较稳定;西塞至临洮县的海甸峡为中游，河道长148公里，因受地质构造影响，褶皱严重，河道弯曲多峡谷，两岸分布森林、草原，植被良好，水源涵养能力强，洪水小，含沙量低，河道水流逐渐加大，水流湍急，水力资源丰富;海甸峡以下为下游，河道长141公里，谷宽滩多，两岸为黄土丘陵，植被很差，水土流失较严重。

      洮河流域是人类文明的起源之地，出土的各种彩陶证明5000年前就有人类在此繁衍生存，他们创造了灿烂辉煌的马家窑文化、辛店文化、寺洼文化等。彩陶的形制和图案透露了人类初期与自然的和谐以及向自然索取的生活状态。

      洮河从青海省发源，流经甘肃省的四个地市六个县二十多个乡镇。千里洮河富临洮，洮河出海甸峡后浇灌了临洮的几万亩土地，洮河真正是临洮人民的母亲河。

1洮河流域

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2千里洮河发源于青海省河南县西倾山

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3青海洮河源湿地公园

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4秋天的洮河上游

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5洮河从青海进入甘肃

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6洮河经过碌曲县西仓寺

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7碌曲县阿拉乡

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8碌曲县阿拉乡至临潭县扎古碌镇之间的洮河

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9临潭县术布乡洮河吊桥

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10洮河经过卓尼县城

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11崛起的岷县县城

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12洮河在岷县梅川镇由西东流向变为南北流向

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13岷县中寨乡洮河风光

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14岷县维新乡洮河风光

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15岷县维新乡洮河风光

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16岷县维新乡洮河风光

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17临潭县洮砚乡洮河风光

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18临潭县洮砚乡洮河风光

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19九甸峡水库全景

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20九甸峡水库引洮工程取水口

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21洮河上游农民大量养殖虹鳟鱼

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22满山遍野的沙棘

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23渭源县峡城洮河风光

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24康乐县莲蔍乡洮河风光

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25洮河经过莲花山

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26康乐县莲蔍乡洮河渡口

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27海甸峡水库

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28临洮三甲电站水库

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29临洮洮河国家湿地公园

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30临洮牙下镇洮河风光

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31洮河从临洮县城西经过

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32临洮县边家湾渡口

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33湍急的洮河水

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34洮河在临洮康家崖拐了个湾

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35秦长城起点下的洮河由南向北流去

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36洮河经过临洮县红旗乡

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37杏花开遍唐王川

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38千里洮河于临夏刘家峡水库进入黄河

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