山东省土壤水分时空分布规律及分区
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摘要
为了充分发挥土壤水分自动观测数据在气象业务和科研工作中的作用,本研究以山东省为例,研究了土壤水分的时空分布规律,并利用K聚类分析方法进行了分区研究。结果表明2016年山东省不同层次土壤的水分含量呈现出东部半岛低于中、西部的规律;表层的土壤水分含量较低,且土壤含水量的空间差异小于深层。海阳和章丘2个典型站点表层土壤水分的波动较下层更明显;气温、相对湿度、气压、降水和土壤温度等气象因子在不同层次上对土壤水分含量有明显的影响。利用K聚类分析方法结合站点的空间分布情况,可以将山东省分为4个区域,并在东西方向上依次分布。
In order to optimize the use of soil moisture automatic observation data in the meteorological services and relevant scientific research, the spatial and temporal distribution of soil moisture was investigated in Shandong province, and the zoning research of soil moisture in the province was carried out using the K-means clustering. The results showed that soil moisture contents at different depths in the eastern peninsula were lower than those in the middle and western regions of Shandong in 2016. The surface soil moisture content was low, and the spatial variation of soil moisture contents in the surface soil layer was lower than that in the deep soil layer. The fluctuation of soil moisture in surface layer was more obvious than that in the deep soil layer in Haiyang and Zhangqiu. Meteorological factors, such as temperature, relative humidity, air pressure, precipitation and soil temperature, showed the significant influence on soil moisture contents at different depths. After soil moisture data were used to group all stations into clusters using the K-means clustering method, the Shandong province could be classified into four regions distributing in an east-west direction.
In order to optimize the use of soil moisture automatic observation data in the meteorological services and relevant scientific research, the spatial and temporal distribution of soil moisture was investigated in Shandong province, and the zoning research of soil moisture in the province was carried out using the K-means clustering. The results showed that soil moisture contents at different depths in the eastern peninsula were lower than those in the middle and western regions of Shandong in 2016. The surface soil moisture content was low, and the spatial variation of soil moisture contents in the surface soil layer was lower than that in the deep soil layer. The fluctuation of soil moisture in surface layer was more obvious than that in the deep soil layer in Haiyang and Zhangqiu. Meteorological factors, such as temperature, relative humidity, air pressure, precipitation and soil temperature, showed the significant influence on soil moisture contents at different depths. After soil moisture data were used to group all stations into clusters using the K-means clustering method, the Shandong province could be classified into four regions distributing in an east-west direction.
引文
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[24]徐志尧,张钦弟,杨磊.半干旱黄土丘陵区土壤水分生长季动态分析[J].干旱区资源与环境,2018,32(3):145-151.
[25]方文松,陈怀亮,刘荣花,等.河南雨养农业区土壤水分与气候变化的关系[J].中国农业气象,2007,28(3):250-253.
[26]CHO E,CHOI M.Regional scale spatio-temporal variability of soil moisture and its relationship with meteorological factors over the Korean peninsula[J].J Hydrol,2014,516(17):317-329.
[27]徐勇峰,郭俨辉,季淮,等.洪泽湖湿地杨树林土壤水分变化及其与气象因子的关系[J].浙江农林大学学报,2018,35(1):20-28.
[28]冯徽徽,刘元波.2003-2009年鄱阳湖流域土壤水分时空变化特征及影响因素[J].长江流域资源与环境,2015,24(2):241-250.
[29]缪凌,董建国,汪有科,等.黄土丘陵区不同土地利用类型下的深层土壤水分变化特征[J].水土保持研究,2016,23(2):13-18.
[2]BELL J E,PALECKI M A,BAKER C B,et al.U.S.Climate reference network soil moisture and temperature observations[J].Journal of Hydrometeorology,2013,14:977-988.
[3]韩姣姣,段旭,赵洋毅,等.元谋干热河谷不同土地利用类型下土壤水分特征及其主控因[J].干旱区资源与环境,2018,32(1):168-173.
[4]CAMMALLERI C,MICALE F,VOGT J.On the value of combining different modelled soil moisture products for European drought monitoring[J].Journal of Hydrology,2015,525:547-558.
[5]程立平,刘文兆.黄土塬区土壤水分分布特征及其对不同土地利用方式的响应[J].农业工程学报,2011,27(9):203-207.
[6]王信增,焦峰,刘源鑫.不同空间尺度土壤水分与环境因素的关系[J].生态学杂志,2012,31(2):319-323.
[7]张强,王胜,曾剑.论干旱区非降水性陆面液态水分分量及其与土壤水分的关系[J].干旱区研究,2010,27(3):392-400.
[8]熊明明,陈海山,俞淼.CLM3.0对中国区域陆面过程的模拟试验及评估Ⅱ:土壤湿度[J].气象科学,2011,31(1):1-10.
[9]文莉娟,吕世华.陆面数据同化方法在绿洲农田土壤温湿度模拟中的应用[J].农业工程学报,2010,26(7):60-65.
[10]SCHALIE R,PARINUSSA R M,RENZULLO L G,et al.SMOSsoil moisture retrievals using the land parameter retrieval model:evaluation over the Murrumbidgee Catchment,southeast Australia[J].Remote Sensing of Environment,2015,163:70-79.
[11]DRAPER S C,WAKLER J P,STEINLE P J,et al.An evaluation of AMSRE derived soil moisture over Australia[J].Atmospheric and Oceanic Science Letters,2011,4:223-228.
[12]MUELLER L,SCHINDLER U,MIRSCHEL W,et al.Assessing the productivity function of soils.A review[J].Agronomy for Justainable Development,2010,30(3):601-604.
[13]范伶俐,郭品文,张羽,等.2008年的湛江土壤湿度特征[J].热带气象学报,2011,27(1):125-132.
[14]韩湘云,景元书,李根.低丘红壤坡面土壤水分变化的气象因素冗余分析[J].生态学杂志,2013,32(9):2368-2374.
[15]KORNELSEN K C,COULIBALY PAULIN.Advances in soil moisture retrieval from synthetic aperture radar and hydrological applications[J].Journal of Hydrology,2013,476:460-489.
[16]ALLAIRE S E,ROULIER S,CESSNA A J.Quantifying preferential flow in soils:a review of different techniques[J].Journal of Hydrology,2009,378(1/2):179-204.
[17]CARDENAS M B,KANAREK M R.Soil moisture variation and dynamics across a wildfire burn boundary in a loblolly pine(Pinus taeda)forest[J].Journal of Hydrology,2014,519:490-502.
[18]SUR C Y,JUNG Y,CHOI M H.Temporal stability and variability of field scale soil moisture on mountainous hillslopes in Northeast Asia[J].Geoderma,2013,207/208:234-243.
[19]HARDIE M,LISSON S,DOYLE R,et al.Determining the frequency,depth and velocity of preferential flow by high frequency soil moisture monitoring[J].Journal of Contaminant Hydrology,2013,144:66-77.
[20]胡春丽,李辑,王婉昭,等.辽宁省春播期降水的时空特征及其对土壤水分的影响[J].灾害学,2018,33(1):53-58.
[21]SNMEZ I,KM爦CA.Reclassification of rainfall regions of Turkey by K-means methodology and their temporal variability in relation to North Atlantic Oscillation(NAO)[J].Theor Appl Climatol,2011,106(3/4):499-510.
[22]张秀芝,吴迅英,何金海.中国土壤湿度的垂直变化特征[J].气象学报,2004,62(1):51-61.
[23]韩晓阳,刘文兆,程立平.黄土塬区深剖面土壤水分垂直分布特征及其时间稳定性[J].应用生态学报,2017,28(2):430-438.
[24]徐志尧,张钦弟,杨磊.半干旱黄土丘陵区土壤水分生长季动态分析[J].干旱区资源与环境,2018,32(3):145-151.
[25]方文松,陈怀亮,刘荣花,等.河南雨养农业区土壤水分与气候变化的关系[J].中国农业气象,2007,28(3):250-253.
[26]CHO E,CHOI M.Regional scale spatio-temporal variability of soil moisture and its relationship with meteorological factors over the Korean peninsula[J].J Hydrol,2014,516(17):317-329.
[27]徐勇峰,郭俨辉,季淮,等.洪泽湖湿地杨树林土壤水分变化及其与气象因子的关系[J].浙江农林大学学报,2018,35(1):20-28.
[28]冯徽徽,刘元波.2003-2009年鄱阳湖流域土壤水分时空变化特征及影响因素[J].长江流域资源与环境,2015,24(2):241-250.
[29]缪凌,董建国,汪有科,等.黄土丘陵区不同土地利用类型下的深层土壤水分变化特征[J].水土保持研究,2016,23(2):13-18.