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地處渭北高原的宜川縣

2014-05-26 10:52

來源:大西北網(wǎng)綜合作者:佚名點擊:次

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　　宜川縣位于陜西省北部，延安市東南部。地處東徑109°41′36″至110°32′44″、北緯35°42′39″至36°23′39″之間。東臨黃河與山西吉縣相望，南與黃龍、韓城為鄰，西與富縣、洛川接壤，北接延長、寶塔區(qū)。被譽為“天下奇觀”的國家重點風(fēng)景名勝區(qū)黃河壺口瀑布和陜西省蟒頭山省級森林公園位于宜川境內(nèi)。

　　宜川地處渭北高原、黃河沿岸，屬黃土高原丘陵溝壑區(qū)，境內(nèi)溝壑縱橫、川原相間，分為三個地貌區(qū)：黃河沿岸為薄層黃土覆蓋的石質(zhì)丘陵區(qū)；縣川河以北為黃土破碎塬區(qū)；西南部為丘陵土石山區(qū)。地勢由西向東緩傾，形成西南高、東低的簸箕狀地形。境內(nèi)山脈屬橫山山系，自北而南有云巖山、野雀山、虎頭山、七郎山、鳳翅山、蟒頭山、茹嶺山、盤古山和八郎山等九座大山，全縣最高海撥1710米，最低海撥388米。屬暖溫帶半干旱區(qū)，具有明顯的大陸性季風(fēng)氣候特征。四季分明，區(qū)域性小氣候明顯，西南林區(qū)涼爽濕潤，東部黃河沿岸炎熱干燥。年平均氣溫9.9℃、極端氣溫39.9℃、-22.4℃，無霜期167天，年均降水量571毫米，年日照2436小時。

(責(zé)任編輯：鄭文)

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