The spatial and temporal characteristics of land use change and its driving factors in Zhengzhou City in 1998-2008were analyzed based on visual interpretation results of three TM/ETM+ and SPOT fused images in 1998

2002and 2008

Spatial analysis module in ArcGIS software and statistical analysis.Results showed that:(1)Non-agricultural land increased rapidly over the past 10years

characterized by increases of 124% and 158%in the construction land and industrial storage land

respectively

while farmland was reduced by 40%due to the conversion to construction land

industrial storage land and garden.(2)In 1998-2002

agricultural land

including woodland

vegetable land and garden

changed more quickly;but in 2002-2008

non-agricultural land

including construction land and industrial storage land

changed more quickly.(3)The districts with more rapid economic development and industrialization showed a quicker land use change.(4)The land use change and expansion of urban area were mainly affected by the development of traffic network and the growth of population and economy

while the intensive use of urban land was promoted by the adjustment and upgrading of industry structure.