GEOGRAPHICAL RESEARCH ›› 2010, Vol. 29 ›› Issue (6): 970-979.doi: 10.11821/yj2010060002

• Geo-information Science • Previous Articles     Next Articles

Research and compilation of the Geomorphological Atlas of the People's Republic of China

ZHOU Cheng-hu, CHENG Wei-ming   

  1. State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China
  • Received:2010-04-21 Revised:2010-05-10 Online:2010-06-20 Published:2010-06-20

Abstract: Geomorphological maps are one of the most fundamental maps of the natural environment. They have been used widely in scientific research, resource exploration and extraction, education, and military affairs. An editorial committee was founded in 2001 to collect materials for a set of new 1:1,000,000 geomorphological maps of China. A digital geomorphological database was created in ArcGIS with visual interpretation from Landsat TM/ETM imageries, SRTM-DEM, and published geomorphological maps. The maps were compiled from this database with MAPGIS and published by Science Press in 2009. The characteristics of the main map are as follows. Firstly, Landsat TM/ETM imagery, published geomorphological maps or sketches, geographical base maps, geological maps, and other thematic maps were collected, uniformly geometrically rectified, clipped into uniform sheets, and stored in the foundation database. Secondly, a uniform geomorphological classification was built by combining morphology and genesis types, which comprises seven hierarchical layers: basic morphology, genesis, sub-genesis, morphology, sub-morphology, slope and aspect, material composition and lithology. These layers were stored in the database during visual image interpretation. Thirdly, according to the three-leveled representation of surface relief and bathymetry in China, color and symbol bases were built in MAPGIS, and visualization standards and procedures were developed. In particular, computer cartography of the desert regions was improved greatly compared with hand-drawing. Finally, a uniform 1:1,000,000 geomorphological map was produced and compiled in MAPGIS. The 1:1.000,000 geomorphological map of China will fill the blanks in basic scale thematic maps, which could lead to significant progress in geomorphology and cartography. It is expected that the geomorphological database will be used widely in many fields.

Key words: geomorphological maps, 1:1,000,000, compilation, China