Knowledge Resource Center for Ecological Environment in Arid Area
| 基于亚太地区环境综合监测的陆地生态系统中水、热和二氧化碳的监测与模拟 | |
| 其他题名 | Monitoring and simulation of water, heat,and CO2 fluxes in terrestrial ecosystems based on the APEIS-FLUX system |
| […] | |
| 来源期刊 | Journal of Geographical Sciences
 |
| ISSN | 1009-637X |
| 出版年 | 2005 |
| 卷号 | 15期号:2页码:131-141 |
| 英文摘要 | The Integrated Environmental Monitoring (IEM) project, part of the Asia-Pacific Environmental Innovation Strategy (APEIS) project, developed an integrated environmental monitoring system that can be used to detect, monitor, and assess environmental disasters, degradation, and their impacts in the Asia-Pacific region. The system primarily employs data from the moderate resolution imaging spectrometer (MODIS) sensor on the Earth Observation System- (EOS-) Terra/Aqua satellite,as well as those from ground observations at five sites in different ecological systems in China. From the preliminary data analysis on both annual and daily variations of water, heat and CO2 fluxes, we can confirm that this system basically has been working well. The results show that both latent flux and CO2 flux are much greater in the crop field than those in the grassland and the saline desert, whereas the sensible heat flux shows the opposite trend. Different data products from MODIS have very different correspondence, e.g. MODIS-derived land surface temperature has a close correlation with measured ones, but LAI and NPP are quite different from ground measurements, which suggests that the algorithms used to process MODIS data need to be revised by using the local dataset. We are now using the APEIS-FLUX data to develop an integrated model, which can simulate the regional water,heat, and carbon fluxes. Finally, we are expected to use this model to develop more precise high-order MODIS products in Asia-Pacific region. |
| 英文关键词 | APEIS-FLUX system Asia-Pacific Environmental Innovation Strategy (APEIS) CO2 flux Integrated Environmental Monitoring (IEM) MODIS water vapor flux |
| 语种 | 英语 |
| 国家 | 中国 |
| 收录类别 | CSCD |
| WOS类目 | ENVIRONMENTAL SCIENCES |
| WOS研究方向 | Environmental Sciences & Ecology |
| CSCD记录号 | CSCD:1923489 |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/205892 |
| 推荐引用方式 GB/T 7714 | […]. 基于亚太地区环境综合监测的陆地生态系统中水、热和二氧化碳的监测与模拟[J],2005,15(2):131-141. |
| APA | […].(2005).基于亚太地区环境综合监测的陆地生态系统中水、热和二氧化碳的监测与模拟.Journal of Geographical Sciences,15(2),131-141. |
| MLA | […]."基于亚太地区环境综合监测的陆地生态系统中水、热和二氧化碳的监测与模拟".Journal of Geographical Sciences 15.2(2005):131-141. |
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