1-2 自 然 状 况 NATURAL CONDITIONS -------------------------------------------------------------------------------------------------------------- 项 目 Item | 1995 --------------------------------------------------------------------------------------------------+----------- 国土 Land Area | 国土面积 (万平方公里) Surface Area of Country (10 000 sq.km)| 960 海域面积 (万平方公里) Surface Area of Sea (10 000 sq.km)| 473 海洋平均深度 (米) Average Depth of Sea (m)| 961 海洋最大深度 (米) Maximum Depth of Sea (m)| 5377 岸线总长度 (公里) Length of Coastline (km)| 32000 大陆岸线长度 (公里) Mainland Shore (km)| 18000 岛屿岸线长度 (公里) Island Shore (km)| 14000 岛屿个数 (个) Number of Islands | 5400 岛屿面积 (万平方公里) Area of Islands (10 000 sq.km)| 3.87 气候 Climate | 热量分布(积温>=0℃) Distribution of Thermal Energy | 黑龙江北部及青藏高原 Northern Heilongjiang and Tibet Plateau (℃)| 2000-2500 东北平原 Northeast Plain (℃)| 3000-4000 华北平原 Northern China Plain (℃)| 4000-5000 长江流域及以南地区 Changjiang River Drainage Area | 5800-6000 and Related Southern Area (℃)| 南岭以南地区 South Nanling Mountain Area (℃)| 7000-8000 降水量 (毫米) Precipitation (mm)| 台湾中部山区 Mid-Taiwan Mountain Area | >=4000 华南沿海 Southern China Coastal Area | 1600-2000 长江流域 Changjiang River Drainage Area | 1000-1500 华北、东北 Northern and Northeastern Area | 400-800 西北内陆 Northwestern Inland | 100-200 塔里木盆地、吐鲁番盆地和柴达木盆地 Talimu Basin,Tulufan Basin and Chaidamu Basin | <=25 气候带面积比例 (国土面积=100) Percentage of Climate Zones to Total Surface Area | 湿润地区(干燥度<1.0) Tropical Climate Zone(aridity<1.0) | 32 半湿润地区(干燥度=1.0-1.5) Semi-Tropical Climate Zone(aridity 1.0-1.5) | 15 半干旱地区(干燥度=1.5-2.0) Semi-Arid Climate Zone(aridity 1.5-2.0) | 22 干旱地区(干燥度>2.0) Arid Climate Zone(aridity>2.0) | 31 -------------------------------------------------------------------------------------------------------------- 注:1.气候资料为多年平均值。 2.岛屿面积未包括台湾省和港澳地区。 a)Figures obtained from statistical checks during previous years, and are therefore subject to further verification and surveys. b)Island area excluded Taiwan,Hong Kong and Macao area.