洞庭湖区

洞庭湖区菜园土N、P养分径流淋失及其与蔬菜施肥的关系

N and P Leaching and Its Relations with Fertilization in Vegetable Soils in Dongting Lake Area

基于遥感与GIS的土地用途转移分析&以洞庭湖区为例

Analysis of the land use changes based on remote sensing and GIS : a case study of the Dongting Lake area

基于GIS的洞庭湖区洪涝灾害动态评估

Flood and Waterlogged Loss Dynamic Assessment Based on GIS

基于GIS的洞庭湖区水沙信息数据库系统的设计与实现

Designing and Realizing Water and Sand Information Database System of Dongting Lake Based on GIS

因此，BP神经网络评价法更适合洞庭湖区浅层地下水环境质量评价。

Therefore , BP neural network evaluation method is more suitable for shallow groundwater environmental quality assessment of Dongting Lake .

基于3S的洞庭湖区蓄洪垸分洪调度模型

The model of the flood diversion in Dongting Lake based on 3S

在30m粒度下，分析整个西洞庭湖区的森林景观空间格局。

Forest landscape spatial pattern of west Dongting lake region was analyzed in 30m grain .

文章分析了洞庭湖区洪涝灾害的成因背景，并结合地理信息系统的特点和灾害动态评估的要求，运用GIS技术建立了湖区洪涝灾害损失评估系统。

This paper analyzes the cause of flood and waterlogged form in Dongting Lake region , designs a flood and waterlogged disaster evaluation system based the geography information system for Dongting Lake region .

以长江干流上游来水、洞庭湖区水位以及下游顶托等影响因子为模型输入向量，运用BP网络建立了荆江三口分流流量预报模型，该模型具有1d的预见期。

Taking the upstream flow , water level of the Dongting lake and downstream backwater influence as input vectors , the diversion discharge prediction model is set up by BP network and the model has 1 d prediction period .

通过试验，研究了洞庭湖区地下水生物除锰滤池的成熟过程与除锰效果，探讨了pH值、氧化还原电位（ORP）以及亚铁离子（Fe2+）与生物除锰的关系。

Through experiments , we studied the biological sand filter ripening process and the manganese removal of the Dongting lake groundwater , and investigated the relations among the pH value , oxidation-reduction potential ( ORP ), ferrous ions and biological manganese removal .

hm-2。2002年洞庭湖区粮食生产实际施肥量超过农户经济最优施肥量30.21kg。

The actual fertilizer application amount in 2002 exceeded the fertilizer application amount of optimal farmers ' financial benefit in food supplies production in the Dongting Lake area , reached 30.21 kg · hm-2 .

氮素径流损失监测结果显示，洞庭湖区双季稻田施用尿素TN径流损失量为7.47kg·ha-1，占施氮量的2.49%；

The result of monitoring for N loss with natural rainfall runoff indicated that runoff TN loss amount from paddy field-based two cropping rice with urea application in the Dongting Lake area was 7.47 kg · ha-1 . It accounted for 2.49 % of urea-N applied .

成土母质（长江冲积物）是洞庭湖区土壤全磷和Olsen-P含量较高的主要原因，不同利用方式下磷肥施用和磷素平衡的不同是Olsen-P差异的决定因素。

The enrichment of soil total phosphorus and soil Olsen-P were principally caused by the parent material was homogeneous Yangtse river sediment . The discrepancy of soil Olsen-P among different utilized modes farmlands was determined by the phosphorus fertilization and soil phosphorus balance .

结论CBERS-02B卫星影像对于东洞庭湖区洲滩钉螺孳生地的探测具有很好的实用性，可以发现有螺区域的分布特征和变化趋势。

Conclusion CBERS-02B image could be used to detect the snail habitats and to monitor the changes of them , so as to find out the characteristics of distribution and the trends of diffusion on snail population in the marshland of Eastern Dongting Lake Area .

洞庭湖区不同土地利用方式下的土壤动物群落结构

Soil animal communities of variously utilized in the Dongting Lake region

洞庭湖区洪涝灾情评估与分析

Assessment and analysis of flood-waterlogging disaster condition in Dongting lake region

洞庭湖区湿地恢复的生态补偿效应评估

Evaluation of the Lake Recovery Area Eco-Compensation in Dongting Lake Wetland

洞庭湖区水灾的可持续性防治探讨

Sustainable prevention and control of flood disaster in Dongting Lake Region

试论洞庭湖区旅游资源结构及组合特征

On the Structure and Combining Characteristics of Dongting Lake Tourism Resources

洞庭湖区围垦问题的初步研究

Preliminary study on the reclamation problems in the Dongting Lake area

注浆加固在洞庭湖区软弱地基中的应用

Application of Two-grouting to Weak Foundation Strengthening in Dongting Lake Area

东洞庭湖区风浪谱及统计特性研究

Research on Spectrum and Statistical Characteristics of Wind-wave of East Dongting-lake

环洞庭湖区经济发展水平预测。

Forecast of the around TungTing lake area economy development level .

洞庭湖区不同利用方式下耕作土壤的磷素状况

Phosphorus status of farmland under different utilized modes in Dongting lake region

洞庭湖区农业环境与湖垸农业可持续发展模式

Agricultural environment and its sustainable development at embankment region of Dongting Lake

洞庭湖区水稻收获机械优化配置研究

Study on Optimum Allocation of Rice Harvest Machinery in Dongting Lake Region

洞庭湖区东方田鼠的食物组成调查

Studies on the food composition of Microtus fortis in Dongting Lake area

洞庭湖区畜禽粪便中氮素污染及其环境成本

Nitrogen pollution and environmental cost of livestock manure in Dongting lake area

近47年来洞庭湖区干湿的气候变化

Drought and flood change of Dongting Lake Basin in Recent 47 years

洞庭湖区湿地生态系统健康综合评价

Assessment and analysis of wetland ecosystem health in Dongting Lake