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Earth fissures express themselves at land surface as straight line,crenata,polygonal line and forniciform.

地裂缝地质灾害平面形态上可分为直线型、雁列型、锯齿型、折线型和弯曲形。地裂缝地质灾害空间分布上有方向性、群集性和系统性。

This paper brings forward the principal theory from research map to teaching map; the techinque that change research map to teaching map in the environment of MapInfo GIS; and the key points in cartography synthesis from disaster research maps to disaster teaching maps with three kinds of disaster maps as examples.

通过研究,提出了科研地图转为教学地图的基本原别;提出了在MapInfo专业制图环境下,科研地图转为教学地图制图综合的技术流程;以三类自然灾害地图为例,提出了灾害科研地图转为灾害教学地图的制图综合要点。

It is believed that by controlling the space-time distribution of precipitation, along riverhead, that may cause disaster, we can control flood, mitigate disaster and utilize water source reasonably. Using this method, we can not only reduce disaster loss and save manpower, material and financial resources, but also solve the water shortage problems of some regions.

通过从源头上控制引起洪涝灾害的水源―降水的时空分布,达到控制水患灾害和充分合理利用水资源的目的,既可减少灾损,节省用于防洪的大量人力物力财力,又可解决急需降水地区生产生活用水的燃眉之急,其优越性是显然的。

At the other hand, geological hazards in China, such as landslide and rockfall, are becoming more and more serious. Therefor, it is emergent to apply the latest technology of GIS to the researches on the geological hazards.

同时,我国山区崩塌、滑坡等灾害日益突出,因此,将最新的地理信息系统技术应用到地质灾害研究就显得越来越迫切。

The result indicated that, This variety resistance is strong, The sowing time meets arid long clearly does not have the rain the weather, The soil field capacity is 43.5%(normal soil field capacity 60%), the rain water is insufficient, Rate of seedlings emergence above 85%, Basically achieves seedling is much longer and stronger; Jointing later period trumpet-shaped object stage, Meets the continuous and incessant rains little clear climate, Suffers the water logging disaster, Soil field capacity reaches above 85%, Partial is low-lying place is flooded, But the corn growth is normal, Ye Sachem is green, The root system is developed, Has not discovered the rotten root phenomenon; Is pulling out, the spinning, the pollination stage male, Bitter experience hot summer crop damage and storm disaster, The corn normally pulls out the male spinning pollination to busload.

结果表明:该品种抗逆性较强,播种期遇干旱久晴无雨的天气,土壤田间持水量为43.5%(正常土壤田间持水量60%)、雨水不足,出苗率在85%以上,基本达到苗齐、苗壮;拔节后期喇叭口阶段,遇到久雨少晴气候,遭受水涝灾害,土壤田间持水量达85%以上,部分低洼处被水淹,而玉米生长正常,叶色深绿,根系发达,未发现烂根现象;在抽雄、吐丝、授粉阶段,遭遇伏旱及暴风雨灾害,玉米正常抽雄吐丝授粉结实,产量未造成较大影响,基本上达到常年稳产,每公项达到8400kg以上。

It is of important significance to simulate and forecast the transport change process of basin water and sediment.

因此,流域水沙输移是水沙灾害的形成前提和基础,水沙输移过程的研究是水沙灾害研究的关键问题。

Based on the typical cases analysis of the cryogenic freezing rain and snow disaster in the southeast of China in 2008, this paper summarizes the technologies of the monitoring and assessment for ice/snow, traffic-jam, snow water equivalent distribution, land-surface temperature change and agriculture damage with microwave/optical remote sensing data. This paper also introduces the spatial information products services during the emergency responses.

针对2008年初发生在我国南方大部分地区的"低温雨雪冰冻灾害",通过典型案例分析,总结了利用微波和光学遥感数据开展冰雪监测、交通拥堵状况监测评估、雪水当量时空变化监测、地表温度反演与农业受灾评估等技术方法,介绍了灾害应急阶段空间信息产品的服务情况。

The flood disaster in this area had the characteristics as unexpected strong, difficulty of prediction and prevention, destructive, in large quantities, uncurbed focus and so on. 2 There were two main reasons that leaded to flood disaster in QinBa Mountain area: natural factor and human factor.

该区洪水灾害具有突发性强,预测预防难度大、成灾快、破坏性强、数量大、成灾范围集中等特点; 2秦巴山地区产生洪水灾害的原因主要有两方面:自然因素和人为因素。

The result indicated: The drought and the waterlogging caused by excessive rain disaster are create the local grain underproduction the main meteorological disaster.

结果表明:干旱和雨涝灾害是造成当地粮食减产的主要气象灾害

Main types of geological hazard in Qujing County are landslide,collapse,debris flow,unstable crag,surface fracture and potential unfortified slope etc.

盐津县境内的地质灾害类型主要为滑坡、崩塌、泥石流、危岩、地面裂缝、潜在不稳定斜坡等多种地质灾害并存,其形成原因主要与大气降水强度、河水淹没和侵蚀作用、地形地貌、岩土类型、地质结构、地震及人类不合理工程活动等相关。

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