查询词典 watershed

Tielugou small watershed, which is the implementary small watershed of the "948" project of Ministry of Water Resources, gives prominence to the project of terracing on slope which places stress on basic farmland building and the developmental comprehensive control which is characteristic of ecological landscape of soil and water conservation in the comprehensive control of which.

铁炉沟小流域是水利部&948&项目实施小流域，在综合治理中突出了以建设基本农田为重点的坡改梯工程和以水土保持生态园区为特色的开发性综合治理，实现了水土保持措施产业化和社会效益可视化，同时也达到理想的生态效益目标。

During the establishment of sediment yield dynamic model at the watershed outlet, it was difficult for us to carry out dynamic monitoring of each impact factors in the whole basin, because it was a long time research and was in very large-scale watershed. Taking into account the interannual variability of sediment yield mainly affected by hydrological conditions of rainfall - runoff and underlaying surface changes caused by soil conservation measures, a combined influence factor which is related to surface runoff modulus and the implementation time of the water and soil conservation project was proposed for the first time. Furthermore, its specific expression was determined through dimensional analysis and non-linear regression multianalysis.

在流域输沙量动态模型的建立中，由于研究时段长、研究流域尺度大，对输沙量各影响因子进行全流域逐年动态监测十分困难，考虑输沙量的年际变化主要受降雨-径流水文条件和水土保持措施等土地管理活动的影响，首次提出与地表径流模数和治理时间相关的综合影响因子，并通过因次分析法和二元非线型回归法确定了具体的表达式。

Therefore, the development trends are: to establish the dynamic NSP pollutant transport and transformation model which can be applied easily to ordinary natural watershed; to study the estimation methods of NSP load and model parameterized in terms of geomorphic parameters (Horton's numbers) for ungauged watershed.

因此，发展趋势为：第一，建立以污染物迁移转化机理为基础的、适合于野外流域和便于推广应用的非点源污染负荷模型；第二，研究无资料地区的非点源污染负荷估算方法与模型参数估计途径。

Taking Qiantang River Watershed as an example,the water pollution compensation of the watershed was calculated based on the COD concentration of 2004 and hydrological condition of 75% confidence.

以钱塘江流域为例，根据2004年钱塘江流域水质状况，在75%保证率的水文条件下，基于COD通量估算了流域内各县间水污染生态补偿量。

The comprehensive measures, which are water and soil conservation, reasonably applying fertilizer, fully making use of many pools system inside the watershed, planting plant fence along contour, planting forest belt and grass belt, and controlling pollutant of paddy fields to run off etc, can been taken to regulate and control the non-point source pollution in the small watershed.

7可通过作好流域的水土保持工作，科学合理施肥，充分利用流域内的多水塘系统，种植等高植物篱、林带、草带和控制水田非点源污染物流失等综合性措施调控流域的非点源污染。

The new watershed-based method which improves on the original watershed transform to some extent,can overcome the shortcoming of some conventional methods that they cannot mark the grain exactly and give a exact boundary or mark to every grain in the image.

在对颗粒分析方法进行归类和总结的基础上，提出了一种基于分水岭的彩色图像颗粒分析普遍框架，该框架不仅消除了有些传统方法不能进行颗粒定位的缺点，而且对分水岭算法进行了一定的改进，由于该算法对颗粒形状进行了精确定位，从而得到颗粒的各种特征信息，可比较好地完成了颗粒分析。

Making use of this model I have a taste in Yan Shan Reservoir watershed in He Nan Province: I start on the information of the surface in this area, give every grid cell the proper parameters by distilling them from the map of how the people use soil and the map of soil type in this area; In order to get the topographical information, I add numerical value to a abundant of contour lines and points in topographical map, use the software Arc View of GIS to create Digital Elevation Models automatically, get every volume of the reservoir from the water level 99m to 117m. By using a special module of the software, I distill triumphantly the grid cells elevation value, slope value, flow direction, flow accumulation, watershed, stream network, isochrones and so on.

本文在分布式水文模型的基础上，对河南省燕山水库流域洪水入库计算模拟方面作了一些研究：从燕山水库流域的下垫信息开始着手，依据流域的土地使用类型图、土壤分布图确定每个栅格单元的土壤特性和土地利用方式，进行下垫信息的参数化，得到单元模型所需的参数值；为了提取地形信息，本文通过对流域地形图海量数据加载高程值，利用GIS软件自动生成流域内的数字高程模型，提取了流域水文模型所需要的库容曲线；通过栅格自动划分，提取栅格单元的高程、坡度、栅格流向、流域边界、虚拟河网、流量积累、等时流线面积分布等分布式水文模型的流域特征。

A content based adaptive mesh generation algorithm is proposed in this paper. At first, a watershed algorithm of mathematical morphology is used to segment image into many homogeneous regions so that watershed lines can better represent image structure, contours, and edges. Boundaries of these regions are approximated by polygons that can be represented with a few parameters. Each end point of polygonal sides serves as candidate node of mesh model.

文中提出的基于图像内容的自适应网格模型生成算法，首先利用数学形态学中的水线算法把编码图像分割成许多纹理一致的区域，所分割的区域反映了图像的结构、轮廓和边界；再对这些区域的边界进行多边形拟合，得到多边形各个边的端点作为网格模型的节点，以这些节点为基础就能生成一个 Delaunay 三角形网格。

The submodel "UPLAND" of the Peatland Hydrologic Impact Model was described and applied at the Lienhuachih Experimental Watershed No. 3, a 3.34-ha natural hardwood watershed located in central Taiwan, for simulating hydrographs and estimating water yield.

本文详细介绍PHIM水文模式中之UPLAND子模式，并采用此模式假林业试验所莲华池分所三号试验集水区为对象，推估流量历线与出流量，以探讨该模式在台湾中部天然阔叶林小集水区之适用性。

You see, the absolute most vital watershed moment in my path out of my depression stage was to completely, totally, absolutely without a doubt, understand that I was NOT my depression.

你看，绝对最重要的分水岭意义的时刻，在我的道路上走出我的忧郁阶段是彻底，完全，绝对没有疑问，明白，我不是我的抑郁症。

I think people in this lifetime in a rebirth.

我觉得人在这一生里其实也在轮回。

He had to tie her hands together.

他不得不把她的双手绑在一起。