Hulun Lake

The conclusions are as follows: 1. The study on the geochemical characteristics of silicon in Hulun lake sediments was firstly carried out, and accumulated a lot of important basic data about the important biogeochemistry process of silicon in high latitude lake. 2.

本研究取得如下主要成果和进展：1.首次开展了呼伦湖湖沉积物中硅的地球化学特征研究，为厘定硅在高纬度湖泊中的生物地球化学过程积累了重要的基础数据。

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Monitoring of water level variations of Hulun Lake with JASON-1 altimetric data

利用Jason-1数据监测呼伦湖水位变化

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By analyzing the wavelet coefficient diagram, the Cycs of yearly lake level variation of 7 lakes including Hulun Lake are shown. Finally, the relationship between lake level variation and ENSO is proved.

通过对获得的小波系数图的分析，得出了呼伦湖等7个湖泊的水位年际变化周期，验证了水位变化与ENSO现象的关系。

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Influences of Eco-hydrological Process to Water Environmental System in Hulun Lake Basin

呼伦湖流域生态水文过程对水环境系统的影响

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Distribution of Nutrient Elements and Environmental Pollution Assessment in Sediment of Hulun Lake, in Inner Mongolia

古谚说：爱屋及乌。内蒙古呼伦湖沉积物营养元素分布及环境污染评价

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Sedimentology of Late Quaternary lacustrine deposits and history of lake level fluctuation in Hulun Lake

呼伦湖晚第四纪湖相地层沉积学及湖面波动历史

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Rock weathering and erosion have a significant impact on the spatial distribution of biogenic silica in Hulun Lake surface sediments, and the distribution characteristics of BSi were significantly correlated with particle size distribution of sediments.

呼伦湖表层沉积物中生物硅的空间分布受流域岩石的风化侵蚀作用较大，且与沉积物粒度分布有较好的一致性。

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With cool climate, beautiful scenery and fresh air, the Hulun Lake is an ideal summer resort.

呼伦湖气候凉爽, 景色宜人, 是避暑胜地.

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Hulun lake is a typical lake characteristic of grassland. Being less affected by the human being, the water environmental system of Hulun lake is strongly affected by the eco hydrological process of the basin.

呼伦湖是一典型的草原型湖泊，受人类活动的直接影响较小，湖泊水环境系统的演化受到流域生态水文过程的影响。

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Vegetational development and environmental changes in Hulun Lake since late Pleistocene

晚更新世以来呼伦湖地区孢粉植物群发展与环境变迁

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Hulun Lake, which is also named Dalai Lake, is the fifth biggest lake in China and the only lake in the thousands of areas in Northeast China.

呼伦湖又名达赉湖，它是我国第五大湖泊，是中国东北地区数千公里之内唯一的一个大泽。

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The numerical results show that the water level of Hulun Lake has a continual drop about 0.3-0.5 m/ a because of the drought climate in recent years.

呼伦湖地区由于近年来持续干旱，水位呈现明显的下降趋势，年平均下降约0.3~0.5m。

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We hope, through the study of this essay, it can inject new vitality into the travel in Manchuria and moreover to promote the further comprehensive tourism development of Hulun Lake.

希望通过本文能为满洲里旅游再次注入新的活力，进而推动呼伦湖旅游的全面发展。

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Effect analysis of land use change on hydrology and water resources in Hulun lake water system

呼伦湖水系土地利用变化的水文水资源效应分析

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The recent expansion of Hulun Lake and its relation to warming global climate

呼伦湖的近期扩张及其与全球气候变化的关系

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Nowadays, Hulun Lake has already been an important part of the tourism line in Manchuria and the indispensable place for traveling.

如今的呼伦湖是满洲里旅游线路的重要组成部分，已成为旅游者到满洲里旅游的必到之地。

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The results are described as follows: 1. The study suggests that the distribution characteristics and existing forms of nitrogen phosphorus in the overlying water and sediments of Hulun lake, indicating the phosphorus is a limited factor in eutrophication. 2.

本研究取得了如下主要认识：1.确定了呼伦湖上覆水-沉积物系统中氮、磷空间分布特征及赋存形态，并初步判定了该湖富营养化的限制因子。

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Estimation of Water Evaporation and Water Balance in Ungauged Hulun Lake

呼伦湖水面蒸发及水量平衡估计

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