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- Last, it compared with the same annual runoff depth isoline map of First surface water resource evaluation. 年徑流深等值線(xiàn)圖的編制對于提高地表水資源評價(jià)成果精度，分析年徑流深參數地區變化規律具有重要意義。
- The result shows that the land use structure and pattern change result in the increase of surface runoff depth. 結果表明：土地利用結構與格局的變化使地表徑流深度趨于增大；
- The grey self-memory model for annual runoff was established on grey system and self-memory theory. 摘要將灰色系統建模方法和自記憶建模結合起來(lái)，提出了年徑流預測的灰色自記憶模型。
- The square ratio method and basin precipitation method are commended for annual runoff calculation. 在年徑流計算中，建議采用面積比法和流域雨量法。
- Then the change of annual runoff distribution in the headwaters of the Yangtze River is discussed. 結果表明：長(cháng)江源徑流年內分配特征在1960年前后與1988年前后徑流年內分配較為相近，1970-1976年與1993年以后徑流年內分配較為相近。
- Moreover, the changes of average surface runoff depth induce by land use and land cover changes are different in the different stages of Pudong New District urbanization. 同時(shí)，在浦東新區城市化的不同時(shí)期，由土地利用／覆被變化引起的地表平均徑流深度變化也不相同。
- Therefore, one new runoff-sediment relationship model is established for specific watershed: M=Ch, where M is area-specific sediment yield, h is runoff depth. 因此可用正比關(guān)系式來(lái)擬合較大洪水次暴雨徑流深和產(chǎn)沙模數之間的關(guān)系。
- AMong the forest factors, the effects of increasing forest coverage was larger than the unit stock voluMe increased on fluvial annual runoff. 在森林因素中，森林面積增加對河川年徑流量的影響程度大于單位集水區面積森林蓄積量增加的作用。
- From stability tests for mean annual runoff at Lijin gauge station, a step trend was detected and the most significant change points were obtained. 至于1986年突變點(diǎn)的發(fā)現，目前還不完全清楚其原因，最可能的原因是氣候變化和上游過(guò)度的用水。
- An annual runoff forecasting method is presented based on unit root test, cointegration test and error correction model of the upper and lower reaches of the Second Songhua River. 摘要介紹了協(xié)整分析理論，結合第二松花江流域上下游的年徑流量，闡述了單位根檢驗、協(xié)整檢驗、誤差修正模型的理論與分析方法。
- First, it collected data from runoff stations and confirmed the principle of isoline mapping.Then, it analyzed the distribution of annual runoff parameter in Hebei province. 首先搜集整理了選用徑流站的資料，確定了統計參數及等值線(xiàn)圖繪制原則，然后對河北省徑流深參數地區分布進(jìn)行了分析，最后與第一次水資源評價(jià)成果進(jìn)行了比較。
- The model is applied to forecast the annual runoff of QingTong Xia of Yellow River and compare with Artificial neural network and nearest neighbor bootstrapping regressive model. 應用此模型對黃河青銅峽年平均流量進(jìn)行預測,并與單獨的人工神經(jīng)網(wǎng)絡(luò )模型和最近鄰抽樣回歸模型預測結果進(jìn)行比較分析。
- In this paper, the wavelet multiple time scales analysis method was used to analyze annual runoff time series from 1882 to 2006 of Yichang Hydrological Station. 運用小波分析的多分辨率功能，對宜昌水文站1882-2006年年徑流量時(shí)間序列資料進(jìn)行了多時(shí)間尺度分析。
- In this paper, the characteristics and tendency of annual runoff changes of Naolihe River are analyzed, which is regarded as a typical marshy river in Sanjiang plain. 在分析三江平原典型沼澤性河流撓力河徑流演變特征及趨勢的基礎上,應用灰色關(guān)聯(lián)分析和徑向基函數網(wǎng)絡(luò )等方法,探討了引起徑流量減少和發(fā)生突變的原因。
- The results showed the forest fire in Daxinganling in1987 resulted in the increase of annual runoff obviously in the initial stage, the runoff of melting snow in May tended to reduce. 結果表明：大興安嶺特大森林火災后，河川年徑流量明顯增加，5月份融雪徑流量有減少趨勢。
- As a result, the runoff in future for Luanhe River Basin and Sanggan River Basin is 74 mm and 71 mm, respectively, which is approximately a quarter of mean annual runoff (284 mm) of the whole country. 未來(lái)灤河流域年徑流深減少 2 7mm ;流量減少 14 .;72× 10 8m3;桑干河流域徑流深增加 2 6mm;流量增加 12
- With the impact of climate change and increasing the intensity of human activities, the hydrological regime has changed, including annual runoff distribution, which is relating with water resources management and ecological construction. 摘要在氣候變化和人類(lèi)活動(dòng)的影響下，河川徑流的年內分配特征也發(fā)生變化，直接影響人類(lèi)開(kāi)發(fā)利用和生態(tài)環(huán)境建設。
- The operation of Sanmenxia Reservoir has less impact on the runoff series and has a certain impact on the annual runoff regulation, but has a large impact on the regulation of the inflow sediment. 三門(mén)峽水庫的運行對流量序列的影響相對較小，對年內徑流調節有一定影響，對入庫含沙量的調整較大。
- Thus MESA is employed to detect the cryptic periods characteristics of the monthly runoff series, annual runoff series and annual maximum flood peak series of Huayuankou Station in the Yellow River. 為此，本文以黃河花園口（秦廠(chǎng)）測站年徑流系列、月徑流系列和年最大洪峰流量序列隱含周期特性的研究為例，探討了最大熵譜分析在水文時(shí)間序列隱含周期特性中的應用。
- Through analyzing problem of wavelet analysis,the annual runoff time series from 1956 to 2000 of Hejin hydrological station in Fen River are decomposed into multiple time-scale series with EMD method. 針對小波分析的不足之處,運用EMD法對汾河河津水文站還原后的天然徑流量時(shí)序進(jìn)行多時(shí)間尺度分析,并揭示了各分量的趨勢變化及影響因素。
