山东农业科学
山東農業科學
산동농업과학
SHANGDONG AGRICULTURAL SCIENCES
2014年
7期
102-106
,共5页
太行山%山地丘陵%RS%GIS%水土流失%植被覆盖度
太行山%山地丘陵%RS%GIS%水土流失%植被覆蓋度
태행산%산지구릉%RS%GIS%수토류실%식피복개도
The Taihang Mountain%Hilly area%RS%GIS%Soil erosion%Vegetation coverage
太行山山地丘陵区由于地形、地貌、气候等自然条件和人类活动的干扰,出现了一定程度的水土流失。本文以河北省赞皇县为例,选取美国陆地卫星2010年Landsat5TM遥感影像、DEM数据和土地利用现状等数据,在RS和GIS的技术支持下,提取对水土流失影响较大的植被覆盖度、地形坡度和土地利用类型等因子,对赞皇县水土流失强度进行等级划分。结果表明:赞皇县水土流失程度有微度、轻度、中度、强度、极强度和剧烈几种情况,其中以微度、轻度和中度为主,分别占土地总面积的69.27%、19.30%和10.86%,主要集中分布于自然保留地、旱地和园地。
太行山山地丘陵區由于地形、地貌、氣候等自然條件和人類活動的榦擾,齣現瞭一定程度的水土流失。本文以河北省讚皇縣為例,選取美國陸地衛星2010年Landsat5TM遙感影像、DEM數據和土地利用現狀等數據,在RS和GIS的技術支持下,提取對水土流失影響較大的植被覆蓋度、地形坡度和土地利用類型等因子,對讚皇縣水土流失彊度進行等級劃分。結果錶明:讚皇縣水土流失程度有微度、輕度、中度、彊度、極彊度和劇烈幾種情況,其中以微度、輕度和中度為主,分彆佔土地總麵積的69.27%、19.30%和10.86%,主要集中分佈于自然保留地、旱地和園地。
태행산산지구릉구유우지형、지모、기후등자연조건화인류활동적간우,출현료일정정도적수토류실。본문이하북성찬황현위례,선취미국륙지위성2010년Landsat5TM요감영상、DEM수거화토지이용현상등수거,재RS화GIS적기술지지하,제취대수토류실영향교대적식피복개도、지형파도화토지이용류형등인자,대찬황현수토류실강도진행등급화분。결과표명:찬황현수토류실정도유미도、경도、중도、강도、겁강도화극렬궤충정황,기중이미도、경도화중도위주,분별점토지총면적적69.27%、19.30%화10.86%,주요집중분포우자연보류지、한지화완지。
Due to natural conditions such as terrain , physiognomy , climate and interference of human activities, there was a certain degree of soil erosion in the Taihang Mountain hilly area .Taking Zanhuang County for example and selecting Landsat 5TM remote-sensing image, DEM and land -use map in 2010 as primary data, the major factors affecting soil erosion , such as vegetation coverage , terrain slope, land-use type and so on ,were extracted based on RS and GIS .And the soil erosion intensity in Zanhuang County was graded.The results showed that the soil erosion in Zanhuang County was divided into the degrees of mired , mild, moderate, strength, pole strength and fierce.Among which, mired, mild and moderate were the prima-ry, which took up 69.27%, 19.30%and 10.86%of total land area respectively , and mainly distributed in nature reserve , dry land and garden plot .