Natural Conditions
Item 2004
  Area of Territory (10000 960
  Area of Sea (10000 473
  Average Depth of Sea (m) 961
  Maximum Depth of Sea (m) 5377
  Length of Coastline (km) 32000
    Mainland Shore (km) 18000
    Island Shore (km) 14000
  Number of Islands 5400
  Area of Islands (10000 3.87
  Distribution of Heat (Cumulative Temperature >=0°C)  
    North Heilongjiang and Qinghai-Tibet Plateau 2000-2500
    Northeast Plain 3000-4000
    North China Plain 4000-5000
    Yangtze River Valley and the Area to Its South 5800-6000
    Area to the South of Nanling Mountain 7000-8000
  Precipitation (mm)  
    Mid-Taiwan Mountain Area >=4000
    South China Coastal Area 1600-2000
    Yangtze River Valley 1000-1500
    Northern and Northeastern Area 400-800
   Northwestern Inland Area 100-200
    Tarim Basin, Turpan Basin and Qaidam Basin =<25
  Percentage of Climatic Zones to Total Area of Territory  
    Humid Zone (aridity<1.0) 32
    Semi-Humid Zone (aridity 1.0-1.5) 15
    Semi-Arid Zone (aridity 1.5-2.0) 22
    Arid Zone (aridity>2.0) 31
a) The climate data refer to the average figures in many years.
b) Island area does not include that of Hong Kong Special Administrative Region, Macao
Special Administrative Region and Taiwan Province.