CAJ | 학술논문

"水资源域"为在某一时段向河口或某一地点,传送水、水中营养物、泥沙或其它物质的空间范围.这一新概念与"流域"概念既相似又不同:1)流域边界以地貌特征来确定,相对稳定.而水资源域的边界以水文事件中的水和物质传播范围来确定.随时空而变化;2)流域强调给定空间范围内水和物质的时间分布,而水资源域强调水和物质随时间和空间二者相互变化的动态分布;3)水资源域综合考虑了不同尺度的时空即时变化对水资源及物质传播的影响.这一新概念应用遥感、空间分析、追踪及模拟技术分析流域空间模式与过程,为水资源探索、分析、模拟及预测提供了一种全新的方法与途径.该文以美国伊利湖茅密河为例.应用分布式大流域模型计算了水资源域的分布.
"수자원역"위재모일시단향하구혹모일지점,전송수、수중영양물、니사혹기타물질적공간범위.저일신개념여"류역"개념기상사우불동:1)류역변계이지모특정래학정,상대은정.이수자원역적변계이수문사건중적수화물질전파범위래학정.수시공이변화;2)류역강조급정공간범위내수화물질적시간분포,이수자원역강조수화물질수시간화공간이자상호변화적동태분포;3)수자원역종합고필료불동척도적시공즉시변화대수자원급물질전파적영향.저일신개념응용요감、공간분석、추종급모의기술분석류역공간모식여과정,위수자원탐색、분석、모의급예측제공료일충전신적방법여도경.해문이미국이리호모밀하위례.응용분포식대류역모형계산료수자원역적분포.
"Hydrological resource shed" is defined as a geographic area that contributes material (e.g.water, nutrients, and sediments) over one time interval, passing through a location of interest over another time interval. While similar to the concept of watershed, this relatively new concept has some unique features. First, the boundary of a watershed is delineated by topography and relatively more stable. The boundary of a hydrologic resource shedl however, is delineated by the contributing sources of water and materials to a river or lake during hydrologic events, and changes over both space and time. Second, the concept of watershed emphasizes temporal distribution of water and materials within a given space, and the hydrologic resource shed focuses on both temporal and spatial distribution of water and materials within a changing space. Third, the concept of hydrologic resource shed incorporates the space-time variability in studying watershed patterns and processes. Taking advantage of current tracing, remote sensing, mapping, and modeling technologies, hydrologic resource shed provides a new way of discovering, understanding, and simulating the transport and distribution, of water and materials across multiple space and time scales. An example is presented for computing the hydrologic resource shed distributions using a hydrologic model, Distributed Large Basin Runoff Model (DLBRM) in the Maumee River watershed in western Lake Erie Basin of the U.S.