| 1. | Research on soil moisture index of dry crops in caked calcium carbonate black earth 砂姜黑土区旱作物土壤墒情指标研究 |
| 2. | Equilibrium model of water quantity in soil applying to soil moisture forecast 土层水量平衡模型在土壤墒情预报中的应用 |
| 3. | Application of the technology of soil moisture forecast in fighting drought and reducing natural disaster 土壤墒情预报技术在抗旱减灾中的应用研究 |
| 4. | The system can be used to monitor soil ll water content and to further advise variable irrigation 并应用gis软件arcview生成了土壤水分分布图,由此来监测土壤水分墒情和指导田间变量灌溉。 |
| 5. | The forecast of soil moisture is the most effective way for understanding the dynamic changes of soil water and regulating the status of soil water 摘要土壤墒情预报是实施农田土壤水分有效调控的基础和前提。 |
| 6. | Based on gis software development technique , a soil moisture content monitoring and forecasting system for beijing area was designed 摘要以组件式gis软件为开发平台,建立了北京地区土壤墒情监测与预测预报系统。 |
| 7. | This paper summarizes the research advances of soil moisture forecast at home and abroad , and analyzes the basic theories of different forest models 回顾总结了国内外土壤墒情预报研究发展的历史和现状,并对几种预报模型进行了重点对比分析。 |
| 8. | Calculation of quantity of soil evaporation takes an important part in moisture content prediction , rainfall surface flow calculation and evaluation of water resources 摘要土壤蒸散发量的计算,在墒情预报、降雨径流计算及水资源评价中都占有重要的地位。 |
| 9. | By using this system the soil moisture content in beijing can be monitored and the distribution map and the isoline chart of soil moisture content can be plotted in time 同时,系统还可利用增退墒模型、人工神经网络模型和时间序列模型进行土壤墒情预测和预报。 |
| 10. | The main innovations and ameliorations are as follows : firstly , based upon the study on spatial variability of soil water , soil moisture monitoring method is brought forward 论文的主要改进及创新: ( 1 )研究了灌区土壤水分空间变异性,并以此为基础提出了较为合理的灌区墒情监测方法。 |