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| 1 | A new procedure to estimate the rainfall erosivity factor based on Tropical Rainfall Measuring Mission(TRMM) data显示文摘Soil erosion by water is the most important land degradation problem worldwide.In this paper a new procedure was developed to estimate the rainfall-runoff erosivity factor(R)based on Tropical Rainfall Measuring Mission(TRMM)satellite-estimated precipitation data,which consists of 3-h rainfall intensity data.In this method,R was calculated as the product of the maximum 180-min rainfall intensity and the rainfall energy.This procedure was applied to the Daling River basin in Liaoning Province,China,R in terms of yearly,monthly and event-based rainfall in 2005 was computed separately using TRMM 3B42 data.The TRMM data showed a significant correlation with the interpolated rain-gauge data.Furthermore,because the TRMM data are based on rainfall intensity,they can represent the impact on erosion more accurately.It reflects both the spatial distribution and the intensity of rainfall.The procedure is a new approach to estimate the rainfall erosivity for soil water erosion modeling,especially in areas lacking rain-gauge stations. | ZHU Qiang CHEN XiuWan FAN QiXiang JIN HePing LI JiRen | 2011 | Science China(Technological Sciences)2011，54，9： | 15 |
| 2 | Simulation study of underwater passive navigation system based on gravity gradient显示文摘 | Feizhou Zhang Xiuwan Chen | 2004 | Geoscience and Remote Sensing Symposium2004，，： | 1 |
| 3 | Simulation study of un- derwater passive navigation system based on gravity gradient显示文摘 | Feizhou Zhang Xiuwan Chen | 2004 | IEEE2004，5，： | 1 |
| 4 | Object-oriented Information Extraction and Application in High-resolution Remote Sensing Image显示文摘 | Wenxia WEI Xiuwan Chen Ainai Ma | | 0，，11： | 1 |
| 5 | Intelligent scheduling of public traffic vehicles based on hybrid genetic algorithm显示文摘 | Zhang Feizhou Yang Dongkai Chen Xiuwan | 2003 | Intelligent Transportation Systems2003，2，1： | 1 |
| 6 | Using remote sensing and GIS to analyse land cover change and its impacts on regional sustainable development显示文摘 | Chen Xiuwan | 2002 | Intemafional Journal of Remote Sensing2002，23，1： | 1 |
| 7 | THE APPLICATION OF SATELLITE POSITIONING TECHNOLOGY AND ITS INDUSTRIALIZATION IN CHINA显示文摘Satellite positioning technology has been widely used in all kinds of military and civil land, marine, space and aeronautical target positioning tasks, naviga tion activities and accurate surveying measurements since 90 s in the last cen tury due to its advantage in providing all-weather, real-time, three dimensional and high precision positioning information, as well as speed and accurate timing information. By now, it has already formed a new hi-tech industry basically.This paper briefly reviews the development of the global satellite positioning and navigation technologies including the basic information of China's 'Plough navigation system', introduces the history of satellite positioning technology and its major application fields as well as the status quo of this being industri alized trade in China, gives an account of the writers' vision for the application and prospect of the satellite positioning technologies in China, and approaches the tactics and stresses of the satellite positioning technology's application and its industrialization future in China. | ZHENG Lizhong CHEN Xiuwan | 2002 | 空间科学学报2002，22，z1： | 0 |
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