The main idea is to encourage and support the farmers to improve their farming way, and to implement the policy of castigation charge simultaneity The feasibility of the policies is analyzed with consideration of economy, technology and institution. It is concluded that the economic policies is necessary and feasible.Lastly, the further research approach to policy system for control and management of agricultural NPSP is proposed in this paper.

論文選擇北京市重要水源地—密云水庫(kù)的兩大匯水流域之一的潮河流域為政策設(shè)計(jì)示范區(qū)免费看一级大黄片，針對(duì)本區(qū)農(nóng)業(yè)非點(diǎn)源污染的特點(diǎn)、成因和流域的社會(huì)經(jīng)濟(jì)狀況级A现看免费黄色视频，結(jié)合流域水環(huán)境規(guī)劃目標(biāo)，以建立的政策理論體系為指導(dǎo)狼友视频首页x，提出本區(qū)以鼓勵(lì)扶持引導(dǎo)為主、收費(fèi)懲罰為輔控制削減農(nóng)業(yè)污染的經(jīng)濟(jì)政策構(gòu)想久久精品视频九九，估算了對(duì)農(nóng)民環(huán)保行為給予補(bǔ)貼、補(bǔ)償?shù)念~度黄色视频在线流畅；基于對(duì)政策的經(jīng)濟(jì)、技術(shù)及制度方面的分析評(píng)價(jià)免费黄色A片网站视频，本文認(rèn)為在我國(guó)重點(diǎn)污染治理流域尤其是重要水環(huán)境功能保護(hù)區(qū)精品国产一级毛片在线看，制定和實(shí)施基于經(jīng)濟(jì)激勵(lì)的農(nóng)業(yè)非點(diǎn)源污染控制政策是必要且可行的天天干天天透天天日。

Morphology of small drainage basin is in principle the same as general basins,disregarding its scale.

通過(guò)流域特征量的統(tǒng)計(jì)，我們看到mianfeihuangseshipin，與一般流域相比，泥石流小流域的特征參數(shù)之間的關(guān)系形式上相同美女黄禁止18以下看尿口网站，而在數(shù)值上不同，這從一個(gè)方面肯定了流域演化存在著普遍規(guī)律黄色视频页面入口，同時(shí)也證明泥石流是流域演化歷史的"特殊一幕"。

Based on the eco- environment function, confirmed the constitution of eco- environment water demand(including the inside of the watercourse.and the ecological water demand of the outside of the watercourse such as ecological water demand of economical crop, of lake or reservoir and of cities.).③Analyzing the physical geography, hydrography, economy characteristic and water resource status, getting the proper calculation method. The Tennant applied to the eco- environment water demand of inside of the watercourse, woodland minmum eco- environment water demand calculation method applied to the eco- environment water demand of woodland, water ration method applied to farmland the eco- environment water demand, water evaporation method applied to the reservoir eco- environment water demand.

本文以流域生態(tài)環(huán)境需水為主要研究對(duì)象，因此重點(diǎn)闡述了流域生態(tài)環(huán)境需水量的分類(lèi)和計(jì)算方法亚洲黄黄；②通過(guò)分析流域生態(tài)系統(tǒng)構(gòu)成與流域生態(tài)環(huán)境功能，并分時(shí)段和河段考慮国产女人天天弄高清免费，確定了桃花江流域生態(tài)環(huán)境需水量的組成，即包括維持現(xiàn)狀河道生態(tài)環(huán)境功能現(xiàn)狀的現(xiàn)狀生態(tài)環(huán)境需水量與流域生態(tài)環(huán)境改善的生態(tài)環(huán)境需水量97超碰人人草，前者包括河道內(nèi)生態(tài)環(huán)境需水量(維持河道基本生態(tài)功能需水量、維持河道自?xún)粝♂尮δ苄杷棵夥鸦粕悠等铡⒀a(bǔ)充地下水水量及美化流域景觀娛樂(lè)需水)與河道外生態(tài)環(huán)境需水量(流域內(nèi)植被、森林官网啪啪啪网站、農(nóng)田的需水量和與河道相連的池塘、水庫(kù)等的需水量)亚洲欧美日韩专区；后者還包括為治理改善流域生態(tài)環(huán)境而擬規(guī)劃林業(yè)生態(tài)建設(shè)所需水量；③對(duì)桃花江流域的自然地理国产精品免费久久久久影院无码、水文地質(zhì)和社會(huì)經(jīng)濟(jì)特征以及水資源現(xiàn)狀及其主要生態(tài)環(huán)境問(wèn)題進(jìn)行了綜合分析，提出了適合桃花江流域的生態(tài)環(huán)境需水量計(jì)算方法久久精品久久囯产精品，即采用Tennant法計(jì)算河道內(nèi)生態(tài)環(huán)境需水量超碰在线免费91，采用林地最小生態(tài)環(huán)境需水量法計(jì)算林地生態(tài)環(huán)境需水量，采用需水定額法計(jì)算農(nóng)田生態(tài)環(huán)境需水量538免费在线视频精彩观看，采用水面蒸發(fā)法計(jì)算水庫(kù)亚洲欧美在线视频免费、池塘生態(tài)環(huán)境需水量。

It is absolutely necessary to study classify, patterns and dynamic of the landscape of watersheds from the level of landscape, in order to get system knowledge for whole watershed and to provide foundation for landscape construction of the region, taken count of the close relationship between the landscape structure and its hydrological process, its pollution shifting process and suppuration of biodiversity.

流域的景觀結(jié)構(gòu)特點(diǎn)與流域的水文過(guò)程五级黄18以上欧美片、污染物遷移過(guò)程及對(duì)生物多樣性的支持功能密切相關(guān)乱论强奸欧美，因此有必要從景觀水平上研究流域的景觀分類(lèi)成人漫画在线、景觀格局與動(dòng)態(tài)特征禁止18岁观看，以期獲得對(duì)流域整體的系統(tǒng)認(rèn)識(shí)，為開(kāi)展以流域為單元的景觀生態(tài)建設(shè)提供依據(jù)毛片免费全部播放无码直播。

Based on data of Yanhe river basin's hydrological stations on precipitation, runoff, soil and water conservation measure area sizes (terrace land, forestation land, grassed land, and silted dam land) from 1950s'-1980s', the basin's monthly precipitation station weightiness indexes and the four main measure areas weightiness indexes through correlation analysis and factor analysis were built.

以建立一種科學(xué)的較簡(jiǎn)單的評(píng)價(jià)方法為目的，以延河流域水文站20世紀(jì)50-80年代30余年降水亚洲A片不卡网站、徑流、水土保持主體措施面積(梯田酒色色色网站、造林、種草视频一区无码在线、淤堤壩)資料為基礎(chǔ)，運(yùn)用相關(guān)分析精品入口、因子分析等方法，建立了流域雨量站各月降雨量權(quán)重指標(biāo)體系黄色在线专区、流域4大水土保持措施面積權(quán)重指標(biāo)值，并構(gòu)建了以水土保持面積指標(biāo)国产精彩小视频、降雨量指標(biāo)為參數(shù)的流域水文響應(yīng)評(píng)價(jià)模型，進(jìn)而分析水土保持措施對(duì)流域徑流量的效應(yīng)国产永久亚洲18禁在线。

The local river valley cultural tourism researches contain the shortage of three aspects: Did not put forward the concept of the river valley cultural tourism exclusively; Did not thoroughly and delicately discuss the river valley cultural tourism development combining with the river valley characteristics, the cultural characteristics; describing is a lot but quantitative analysis is little, the cultural tourism studies disjoints with river valley, the conclusion of river valley culture tourism development is little.

國(guó)內(nèi)流域文化旅游研究有三方面的不足：未專(zhuān)門(mén)提出流域文化旅游的概念；未結(jié)合流域特點(diǎn)经典1页日韩中文字幕视频在线、文化特點(diǎn)深入細(xì)致地論述流域文化旅游開(kāi)發(fā)；描述性多定量研究少无码操B在线播放，文化旅游研究與流域脫節(jié)，流域文化旅游發(fā)展的概括性結(jié)論少jizz18丝袜。

The ecological safety of the Minjiang River valley is vitally important in ensuring economic development of Sichuan and in guarantying ecological safety in the Yangtze River valley.

岷江流域是長(zhǎng)江流域重要的一級(jí)支流，也是長(zhǎng)江流域的主要產(chǎn)沙源之一亚州激情中文字幕，作為長(zhǎng)江上游生態(tài)屏障建設(shè)的重點(diǎn)區(qū)和四川重要的經(jīng)濟(jì)發(fā)展區(qū)，流域的生態(tài)安全對(duì)確保四川經(jīng)濟(jì)健康發(fā)展和維護(hù)長(zhǎng)江流域的生態(tài)安全具有重要意義久久艹91。

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礎(chǔ)上免费一级A片无码视频，對(duì)河南省燕山水庫(kù)流域洪水入庫(kù)計(jì)算模擬方面作了一些研究：從燕山水庫(kù)流域的下墊信息開(kāi)始著手，依據(jù)流域的土地使用類(lèi)型圖黄页网在线观看免费视频、土壤分布圖確定每個(gè)柵格單元的土壤特性和土地利用方式，進(jìn)行下墊信息的參數(shù)化男女互插在线观看，得到單元模型所需的參數(shù)值；為了提取地形信息欧美日韩久荜，本文通過(guò)對(duì)流域地形圖海量數(shù)據(jù)加載高程值欧美日韩精品一区二区91，利用GIS軟件自動(dòng)生成流域內(nèi)的數(shù)字高程模型国产wwwWwW性性，提取了流域水文模型所需要的庫(kù)容曲線(xiàn)；通過(guò)柵格自動(dòng)劃分人人操人人干人人做人人揉人人造，提取柵格單元的高程性爱av一区二区三区、坡度啊啊啊好疼好爽、柵格流向久久久久精品国产三级、流域邊界九九国产精品色婷婷、虛擬河網(wǎng)亚州日韩制服丝袜图片、流量積累、等時(shí)流線(xiàn)面積分布等分布式水文模型的流域特征国产亚洲无线一区二区。

The paper investigates the interaction between variation of precipitation landscape patterns and runoff, and results show that: 1Precipitation in upper-middle main Jinghe watershed over 40 years descends little, and the isograms of inclination rate of precipitation are between -4.9mm/10a to -11.3mm/10a.

本文研究涇河流域降雨-景觀-徑流變化的相互作用，結(jié)果表明：①?zèng)芎?strong>流域中上游主流域40多年來(lái)的降水具有微弱下降趨勢(shì)2018亚洲精彩偷拍视频，降雨傾向率為-4.9mm/10～-11.3mm/10年；涇河流域馬蓮河分流域一区二区强奸，年降雨量表現(xiàn)為不變或微弱下降；②涇河流域1986年～2000年15年之間97干视频，景觀結(jié)構(gòu)變化不大中文字字幕在线播放，一直以草地景觀和耕地景觀為主欧美色图亚洲。

Choosing TVA and MDB, Tennessee Valley Authority in USA and MurrayDarling River Basin in Australia, as tow cases for comparative studies, analyzed the models of water resource multiobjective development which could be used in Lancang-Mekong River Basin; to TVA, mainly analyzed and summarized the models and experiences of its water resource mutiobjective development and coordinated management in the river basin's comprehensive development process; to MDB, mainly analyzed the models for integrating allocation and management of its transboundary water resource.

在世界眾多的大河流域中久久精品黄大片，選擇了美國(guó)田納西流域和澳大利亞的墨累-達(dá)嶺河流域，作為瀾滄江—湄公河水資源系統(tǒng)多目標(biāo)協(xié)同開(kāi)發(fā)可借鑒的流域模式影音先锋AV资源网日韩在，進(jìn)行對(duì)比分析研究。對(duì)TVA高清国产黄片，重點(diǎn)分析其流域綜合開(kāi)發(fā)中水資源多目標(biāo)協(xié)同開(kāi)發(fā)和管理的模式與經(jīng)驗(yàn)的借鑒；對(duì)MDB性动态图免费视频专区，則重點(diǎn)分析其流域整體管理模式及此模式中跨境水資源整體分配和管理模式的借鑒。

basin：流域

流域:river basin | 流域:Basin | 流域:Drainage basin

drainage basin：流域; 流域盆地

流巖體 rheid | 流域;流域盆地 drainage basin | 流褶曲 flowage fold

Lake basins：湖泊流域

國(guó)際河流流域 International river basins | 湖泊流域 Lake basins | 池塘尾渣 Ponds tailings

river basin：流域

水池:Water basin | 流域:river basin | 流域:Basin

Tarim River Basin：塔里木河流域

塔里木河:Tarim river | 塔里木河流域:Tarim River Basin | 塔里木河流域:Tarim River Watershed

Watershed management：流域管理

流域管理(watershed management),又稱(chēng)流域治理亚州欧美一级性交、流域經(jīng)營(yíng)、集水區(qū)經(jīng)營(yíng),即為了充分發(fā)揮水土資源及其它自然資源的生態(tài)效益黄色网站天天天、經(jīng)濟(jì)效益、社會(huì)效益,以流域為單元,在全面規(guī)劃的基礎(chǔ)上,合理安排農(nóng)日韩精品人妻系列视频在线、林A级免费黄片、牧、副各業(yè)用地,因地制宜布設(shè)綜合治理措施,

Watershed management：流域治理

流域尺度:watershed scale | 流域治理:watershed management | 小流域:a small watershed

Watershed management：小流域

劉家流域:Watershed | 小流域:watershed management | 小流域:micro-watershed

valley harnessing：流域治理

流域滯留 basin lag | 流域治理 valley harnessing | 流域周長(zhǎng) basin perimeter

IRBM：流域綜合管理

流域綜合管理(IRBM):在流域尺度上,通過(guò)跨部門(mén)與跨行政區(qū)的協(xié)調(diào)管理,開(kāi)發(fā)、利用和保護(hù)水日韩二区、土亚洲av线网站、生物等資源,最大限度地適應(yīng)自然規(guī)律,充分利用生態(tài)系統(tǒng)功能,實(shí)現(xiàn)流域的經(jīng)濟(jì)看美女被操网站、社會(huì)和環(huán)境福利的最大化以及流域的可持續(xù)發(fā)展.