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地球科学进展  2001, Vol. 16 Issue (6): 755-760    DOI: 10.11867/j.issn.1001-8166.2001.06.0755
研究论文     
遥感水文应用中的尺度问题
傅国斌;李丽娟;刘昌明
中国科学院地理科学与资源研究所,北京 100101
SCALE ISSUES ON THE APPLICATIONS OF REMOTE SENSING TO HYDROLOGY
FU Guobin, LI Lijuan, LIU Changming
Institute of Geographical Science and Natural Resources Research, CAS, Beijing 100101,China
 全文: PDF(218 KB)  
摘要:

遥感技术在水文科学中的广泛应用,极大地拓宽了其研究的领域和范围,增加了其研究的深度。但同时也应该看到,遥感信息的空间分辨率和时间分辨率,以及水文科学自身尺度问题的复杂性,一方面对遥感水文的应用产生困难和问题,限制了水文遥感的应用;另一方面又对水文尺度问题提供了新的技术手段,为遥感水文应用增添了新的亮点。从水文机理与空间尺度、遥感信息的空间分辨率、水文参数的空间延拓,以及遥感技术与水文科学的发展等 4个方面探讨了遥感水文的空间尺度问题;从瞬时遥感信息的时间拓展和遥感信息的时间分辨率 2个方面讨论了遥感水文的时间尺度问题。

关键词: 水文科学空间分辨率时间分辨率遥感尺度问题    
Abstract:

The applications of remote sensing to hydrology, which can roughly be divided into the direct remote sensing applications and the indirect remote sensing applications, have been extended in last a few decades.  However, its spatial and temporal resolutions of remote sensing information, together with the complex issue of hydrological scales, have double roles to applications of remote sensing on hydrology.  In one side, they meet difficulties because of different spatial and temporal scales; on the other side, they bring new techniques to hydrological scale issues and this will definitely promote the development of hydrology, such as the development of global hydrology.  This paper approaches the spatial scale issue of remote sensing hydrology from four aspects: hydrological process mechanisms at varied scales, spatial resolution of remote sensing information, hydrological parameters gathered at one scale to be used in making predictions at other scale, and the development of hydrology with the aid of remote sensing.  The expansion of instantaneous remote sensing information to a long time scale and temporal resolution of remote sensing information are discussed with temporal scale issue taking into account.

Key words: Remote sensing    Spatial resolution    Hydrological sciences    Scale issues    Temporal resolution
收稿日期: 2001-01-12 出版日期: 2001-12-01
:  P33  
基金资助:

国家重点基础研究发展规划项目“黄河流域水循环动力学机制与模拟“(G1999043601)和“黄河流域水资源演化规律与二元演化模型”(G1999043602)资助.

通讯作者: 傅国斌(1966-),男,山西临猗人,副研究员,主要从事水文水资源方面的研究.      E-mail: fugb@igsnrr.ac.cn
作者简介: 傅国斌(1966-),男,山西临猗人,副研究员,主要从事水文水资源方面的研究. E-mail:fugb@igsnrr.ac.cn
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引用本文:

傅国斌;李丽娟;刘昌明. 遥感水文应用中的尺度问题[J]. 地球科学进展, 2001, 16(6): 755-760.

FU Guobin, LI Lijuan, LIU Changming. SCALE ISSUES ON THE APPLICATIONS OF REMOTE SENSING TO HYDROLOGY. Advances in Earth Science, 2001, 16(6): 755-760.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2001.06.0755        http://www.adearth.ac.cn/CN/Y2001/V16/I6/755

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