【題目】讀圖,完成下列問題:
(1)請用數(shù)值和字母表示B點的地理坐標 .
(2)長城站位于中山站的(方向);長城站位于五帶中的帶.
(3)A點與南極點之間的實地距離約為 .
(4)長城站(是,否)有極晝極夜,判斷依據(jù): . 南極地區(qū)氣候的突出特點是、、降水少.
(5)我國南極地區(qū)建立的科學考察站中,極晝極夜持續(xù)時間最長的是站.
【答案】
(1)120°W,66.5°S
(2)西北;南溫
(3)1110千米
(4)否;位于南溫帶,溫帶既無陽光直射也無極晝極夜現(xiàn)象;酷寒;大風
(5)昆侖
【解析】(1)東西經(jīng)度的劃分是以0°經(jīng)線為界,向東向西各分了180°,0°經(jīng)線以東、180°經(jīng)線以西稱東經(jīng),用符號E表示,0°經(jīng)線以西、180°經(jīng)線以東稱西經(jīng),用符號W表示,南北緯度的劃分都是以赤道為界,赤道以北的緯度稱北緯,用符號N表示,赤道以南的緯度稱南緯,用符號S表示;讀圖可知,圖中字母B的地理坐標是(120°W,66.5°S);(2)結合圖示,根據(jù)經(jīng)線指示南北,緯線指示東西方向判定:長城站在中山站的西北方向;熱帶的緯度范圍是23.5°N﹣23.5°S,北溫帶的緯度范圍是23.5°N﹣66.5°N,北寒帶的緯度范圍是66.5°N﹣90°N,南溫帶的緯度范圍是23.5°S﹣66.5°S,南寒帶的緯度范圍是66.5°S﹣90°S;東西半球分界線是20°W和160°E組成的經(jīng)線圈,20°W以東、160°E以西為東半球,20°W以西、160°E以東為西半球;緯度劃分,0°~30°為低緯度地區(qū),30°~60°為中緯度地區(qū),60°~90°為高緯度地區(qū);根據(jù)長城站的經(jīng)緯度(58°W、62°S)可判斷:長城站位于南溫帶;(3)南極點的緯度是90°S,與A(80°S)之間緯度相差10°,根據(jù)緯度相差1°,距離相差約111千米,計算可知,A點到南極點的距離約為111千米×10=1110千米;(4)長城站位于南溫帶,溫帶既無陽光直射也無極晝極夜現(xiàn)象,四季分明;南極地區(qū)氣候特點是酷寒、大風和干燥.(5)我國在南極建立的科學考察站有:長城站、中山站、昆侖站、泰山站,在北極建立的科學考察站是黃河站.其中昆侖站距離極點最近,有極晝極夜現(xiàn)象,且持續(xù)時間最長.
所以答案是:(1)120°W,66.5°S;(2)西北;南溫;(3)1110千米;(4)否;位于南溫帶,溫帶既無陽光直射也無極晝極夜現(xiàn)象;酷寒;大風;(5)昆侖.
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