窟野河流域河岸沙丘地貌格局及变化
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摘要
风水交互作用是黄土高原北部风蚀水蚀交错带特殊的侵蚀营力,并致该区土壤侵蚀强度加重。以毛乌素沙地窟野河流域作为研究区,基于影像解译及数理统计方法,研究河道与沙丘交互地貌过程。结果表明:(1)窟野河"三河夹沙"区沙地以河流为中心呈现出对称条带状格局分布,距离河流,依次呈现出流动沙丘、固定半固定沙丘、丘陵沟壑区的空间格局;(2)典型河段河道与沙丘空间格局呈现出河道穿越流动沙丘、河道两侧斑块状沙丘镶嵌分布、两河交汇处流动沙丘分布等3种格局;(3)河道弯曲系数与河道两侧沙丘活动性的变化之间呈现出一定的对应关系。
Aeolian-fluvial interaction is a particular erosion process in the region of the Northern Loess Plateau where wind-water soil erosion is significant. Taking the"sandy river delta surrounded by 3 rivers"at the upstream of Kuye River as the study area,this research adopt remote-sensing image analysis and mathematical statistics methods to study the interactive landform process between the river and the dune. The main conclusions are as follows:( 1) " Sandy river delta surrounded by 3 rivers" of the Kuye River show a circular pattern centered on the river.The distances from the rivers are in turn showing the space of mobile dunes,fixed semi-fixed sand dunes and hilly gully regions.( 2) The spatial pattern of rivers and dunes in typical river reaches shows three types in which the river passes through dunes,the mosaic distribution of patchy sand dunes on both sides of the river,and the distribution of moving sand dunes at the junction of two rivers.( 3) There is a corresponding relationship between the bending coefficient of the river and the changes of the dune activity on both sides of the river.
Aeolian-fluvial interaction is a particular erosion process in the region of the Northern Loess Plateau where wind-water soil erosion is significant. Taking the"sandy river delta surrounded by 3 rivers"at the upstream of Kuye River as the study area,this research adopt remote-sensing image analysis and mathematical statistics methods to study the interactive landform process between the river and the dune. The main conclusions are as follows:( 1) " Sandy river delta surrounded by 3 rivers" of the Kuye River show a circular pattern centered on the river.The distances from the rivers are in turn showing the space of mobile dunes,fixed semi-fixed sand dunes and hilly gully regions.( 2) The spatial pattern of rivers and dunes in typical river reaches shows three types in which the river passes through dunes,the mosaic distribution of patchy sand dunes on both sides of the river,and the distribution of moving sand dunes at the junction of two rivers.( 3) There is a corresponding relationship between the bending coefficient of the river and the changes of the dune activity on both sides of the river.
引文
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[15]李小妹,严平,钱瑶,等.不同气候带的河道与沙丘分布格局及其类型划分[J].中国沙漠,2017,37(5):821-829.
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[17] Han G,Zhang G,Dong Y.A model for the active origin and development of source-bordering dunefields on a semiarid fluvial plain:a case study from the Xiliaohe Plain,Northeast China[J].Geomorphology,2007,86(3):512-524.
[18] Han G,Zhang G,You L,et al.Deflated rims along the Xiangshui River on the Xiliaohe Plain,Northeast China:a case of active fluvial-aeolian interactions[J].Geomorphology,2016,257:47-56.
[19] Guan C,Hasi E,Zhang P,et al. Parabolic dune development modes according to shape at the southern fringes of the Hobq Desert,Inner M ongolia,China[J]. Geomorphology,2017,295:645-655.
[20]苏佳园,白红英,张永江,等.1960—2010年窟野河年径流量变化趋势及其影响因素[J].中国水土保持,2016(5):45-47.
[21]刘晓琼,刘彦随,李同昇,等.高强度能源开发区河流径流量演变及其减流成因——以窟野河为例[J].兰州大学学报(自然科学版),2014(3):299-304.
[22]蒋晓辉,谷晓伟,何宏谋.窟野河流域煤炭开采对水循环的影响研究[J].自然资源学报,2010,25(2):300-307.
[23] Pan B,Guan Q,Liu Z,et al.Analysis of channel evolution characteristics in the Hobq Desert reach of the Yellow River(1962—2000)[J].Global&Planetary Change,2015,135:148-158.
[24] Yang H,Shi C.Spatial and temporal variations of aeolian sediment input to the tributaries(the Ten Kongduis)of the upper Yellow River[J].Aeolian Research,2018,30:1-10.
[2]李秋艳,蔡强国,方海燕.风蚀对窟野河流域产沙贡献的时间尺度特征[J].自然资源学报,2011,26(4):674-682.
[3] Wang Z,Ta W.Hyper-concentrated flow response to aeolian and fluvial interactions from a desert w atershed upstream of the Yellow River[J].Catena,2016,147:258-268.
[4] Bullard J E,Livingstone I.Interactions between Aeolian and Fluvial Systems in Dryland Environments[J].Area,2002,34(1):8-16.
[5] Mctainshb G H,Bullarda J E. Aeolian fluvial interactions in dryland environments:examples,concepts and Australia case study[J]. Progress in Physical Geography,2003,27(4):471-501.
[6] Yan P,Li X M,Ma Y F,et al.Morphological characteristics of interactions betw een deserts and rivers in northern China[J].Aeolian Research,2015,19:225-233.
[7]袁水龙,谢天明.窟野河暴雨洪水泥沙特征分析[J].陕西水利,2018(1):40-43.
[8]苏贺,康卫东,曹珍珍,等.1954—2009年窟野河流域降水与径流变化趋势分析[J].地下水,2013,35(6):14-17.
[9]郭巧玲,熊新芝,郝彬,等.近50年来窟野河径流年内分配及变化趋势研究[J].干旱区资源与环境,2014,28(7):35-40.
[10]李永山,彭文昌,任亮,等.近50年黄河乌兰布和沙漠段辫状河道演变[J].中国沙漠,2016,36(6):1689-1694.
[11]李森,董光荣,申建友,等.雅鲁藏布江河谷风沙地貌形成机制与发育模式[J].中国科学(地球科学),1999,29(1):88-96.
[12] Bullard J E,Nash D J.Linear dune pattern variability in the vicinity of dry valleys in the southw est Kalahari[J].Geomorphology,1998,23(1):35-54.
[13]王翠,雷加强,李生宇,等.策勒绿洲-沙漠过渡带风沙流挟沙粒度的垂直分异[J].干旱区地理,2014,37(2):230-238.
[14] Elbaz F,Maingue M,Robinson C. Fluvio-aeolian dynamics in the north-eastern Sahara:the relationship betw een fluvial/aeolian systems and ground-w ater concentration[J].Journal of Arid Environments,2000,44(2):173-183.
[15]李小妹,严平,钱瑶,等.不同气候带的河道与沙丘分布格局及其类型划分[J].中国沙漠,2017,37(5):821-829.
[16] Liu B L,Coulthard T,Mapping the interactions between rivers and sand dunes-implications for fluvial and aeolian geomorphology[J].Geomorphology,2015,231:246-257.
[17] Han G,Zhang G,Dong Y.A model for the active origin and development of source-bordering dunefields on a semiarid fluvial plain:a case study from the Xiliaohe Plain,Northeast China[J].Geomorphology,2007,86(3):512-524.
[18] Han G,Zhang G,You L,et al.Deflated rims along the Xiangshui River on the Xiliaohe Plain,Northeast China:a case of active fluvial-aeolian interactions[J].Geomorphology,2016,257:47-56.
[19] Guan C,Hasi E,Zhang P,et al. Parabolic dune development modes according to shape at the southern fringes of the Hobq Desert,Inner M ongolia,China[J]. Geomorphology,2017,295:645-655.
[20]苏佳园,白红英,张永江,等.1960—2010年窟野河年径流量变化趋势及其影响因素[J].中国水土保持,2016(5):45-47.
[21]刘晓琼,刘彦随,李同昇,等.高强度能源开发区河流径流量演变及其减流成因——以窟野河为例[J].兰州大学学报(自然科学版),2014(3):299-304.
[22]蒋晓辉,谷晓伟,何宏谋.窟野河流域煤炭开采对水循环的影响研究[J].自然资源学报,2010,25(2):300-307.
[23] Pan B,Guan Q,Liu Z,et al.Analysis of channel evolution characteristics in the Hobq Desert reach of the Yellow River(1962—2000)[J].Global&Planetary Change,2015,135:148-158.
[24] Yang H,Shi C.Spatial and temporal variations of aeolian sediment input to the tributaries(the Ten Kongduis)of the upper Yellow River[J].Aeolian Research,2018,30:1-10.
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