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评估模式
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    Abnormal Drought Climate Events and the Assessing model of impacts on agriculture
    异常干旱气候事件及其对农业影响评估模式
短句来源
    Based on the remote sensing results of frost monitoring, we established a model to assess the frost damage of mainly crops in Ningxia by using the datum of frost disaster and NOAA(AVHRR) from 1991 to 1996 .Verified results show that, compare to others, the established model is available and objective, and it turned out a good way for assessing the frost damage.
    利用 1991~ 1996年宁夏霜冻灾害资料和同期NOAA(AVHRR)资料和霜冻遥感监测结果 ,构建了宁夏主要作物霜冻灾损评估模式 ,检验结果表明 :所采用模式方法比较客观、实用 ,应用效果好。
短句来源
    The authors analyze the temporal-spatial regularity of drought, designate criteria of drought with water deficit and evaluate drought conditions in all seasons. The grain yield series in a period of 42 years from 1949 to 1990 is modeled by the method of moving average. According to the percentage of grain yield decrement caused by droughts in the whole province, a model for drought loss assessment is constructed which makes drought loss assessment in Shaanxi province quantitative and provides experiences for quantitative assessment of other disasters.
    分析了陕西干旱发生的时空规律,以缺水率划分干旱标准,评价陕西各季农业干旱状况,并对1949~1990年共42a粮食产量序列进行滑动平均模拟,以粮食减产百分率评估全省干旱灾害等级,得出干旱损失评估模式,使陕西干旱灾害的评估由定性到定量,为其它灾害的定量评估提供了经验。
短句来源
    Finally, assessment the model of area covered by drought, the area affected by drought and the economic losses of agriculture by drought is established according the drought index.
    最后依据干旱指数建立了干旱受灾面积和成灾面积评估模式,以及干旱经济损失评估 模式。
短句来源
    Drought disaster is one of the major meteorological disasters and an important factor that affects the sustainable development of agricultural economy in Shandong province Based upon the data of agricultural drought disaster and precipitation of past 40 years in Shandong province, the characteristics of agricultural disaster and variance features of hazard causes are analyzed to provide the basis for assessment and prediction of agricultural disasters, the inherent relationship of drought disaster and anomaly of precipitation is discussed and a model for assessment of drought stricken area is established
    干旱灾害是山东省的主要气象灾害之一 ,是影响农业经济可持续发展的重要因素。 本文利用山东省近 4 0年的农业旱灾灾情资料和降水资料 ,分析了灾情特征和致灾因子变化特征 ,探讨了旱灾损失与降水异常的内在联系 ,建立了干旱受灾面积评估模式 ,为探索农业灾情评估和预测提供了依据。
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  assessment model
Assessment model of dam operation risk based on monitoring data
      
A condition assessment model for cable-stayed bridge was proposed, and a cable tension, elevation and frequency condition assessment model was then applied.
      
We create a debris flow hazard assessment model based on SVM.
      
Then a risk assessment model of surcharge about groundwater resources carrying capacity is established on blind reliability theory.
      
According to the life cycle assessment and the environmental design method of industry production, a quantitative assessment model for the embodied environmental impact of concrete with or without fly ash was proposed.
      
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The authors analyze the temporal-spatial regularity of drought, designate criteria of drought with water deficit and evaluate drought conditions in all seasons.The grain yield series in a period of 42 years from 1949 to 1990 is modeled by the method of moving average. According to the percentage of grain yield decrement caused by droughts in the whole province, a model for drought loss assessment is constructed which makes drought loss assessment in Shaanxi province quantitative and provides experiences for...

The authors analyze the temporal-spatial regularity of drought, designate criteria of drought with water deficit and evaluate drought conditions in all seasons.The grain yield series in a period of 42 years from 1949 to 1990 is modeled by the method of moving average. According to the percentage of grain yield decrement caused by droughts in the whole province, a model for drought loss assessment is constructed which makes drought loss assessment in Shaanxi province quantitative and provides experiences for quantitative assessment of other disasters.

分析了陕西干旱发生的时空规律,以缺水率划分干旱标准,评价陕西各季农业干旱状况,并对1949~1990年共42a粮食产量序列进行滑动平均模拟,以粮食减产百分率评估全省干旱灾害等级,得出干旱损失评估模式,使陕西干旱灾害的评估由定性到定量,为其它灾害的定量评估提供了经验。

In this paper, the characteristic of drought disaster in China is analyzed. It's pointed out that droughts are major meteorological disasters in this area. The standards of drought grade for single station and area are defined by using the percentage of precipitation anomalies and drought index. In addition, the main drought events and their intensity (grades)are assessed in this area for recent 40years. Finally, assessment the model of area covered by drought, the area affected by drought and the economic losses...

In this paper, the characteristic of drought disaster in China is analyzed. It's pointed out that droughts are major meteorological disasters in this area. The standards of drought grade for single station and area are defined by using the percentage of precipitation anomalies and drought index. In addition, the main drought events and their intensity (grades)are assessed in this area for recent 40years. Finally, assessment the model of area covered by drought, the area affected by drought and the economic losses of agriculture by drought is established according the drought index. The assessing results coincide with the facts in the main.

分析华北地区干旱的特点,指出干旱是该地区最突出的气象灾害;采用降水量距平百分 率和干旱指数分别确定了单站及区域干旱等级标准,并对近40年主要干旱事件强度(等级)进 行评定;最后依据干旱指数建立了干旱受灾面积和成灾面积评估模式,以及干旱经济损失评估 模式。评估结果与实际基本吻合。

Drought disaster is one of the major meteorological disasters and an important factor that affects the sustainable development of agricultural economy in Shandong province Based upon the data of agricultural drought disaster and precipitation of past 40 years in Shandong province, the characteristics of agricultural disaster and variance features of hazard causes are analyzed to provide the basis for assessment and prediction of agricultural disasters, the inherent relationship of drought disaster and anomaly...

Drought disaster is one of the major meteorological disasters and an important factor that affects the sustainable development of agricultural economy in Shandong province Based upon the data of agricultural drought disaster and precipitation of past 40 years in Shandong province, the characteristics of agricultural disaster and variance features of hazard causes are analyzed to provide the basis for assessment and prediction of agricultural disasters, the inherent relationship of drought disaster and anomaly of precipitation is discussed and a model for assessment of drought stricken area is established

干旱灾害是山东省的主要气象灾害之一 ,是影响农业经济可持续发展的重要因素。本文利用山东省近 4 0年的农业旱灾灾情资料和降水资料 ,分析了灾情特征和致灾因子变化特征 ,探讨了旱灾损失与降水异常的内在联系 ,建立了干旱受灾面积评估模式 ,为探索农业灾情评估和预测提供了依据。

 
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