1.内蒙古农业大学沙漠治理学院, 呼和浩特 010011
2.内蒙古自治区浑善达克规模化林场, 呼和浩特 010020
罗瑞新(1999—),男,硕士研究生,主要从事生态水文模型研究。E-mail:2728973592@qq.com
张成福(1966—),男,博士,教授,博士生导师,主要从事生态水文模型研究。E-mail:2651534893@qq.com
收稿:2026-01-28,
修回:2026-03-25,
录用:2026-04-08,
网络首发:2026-04-20,
纸质出版:2026-08-28
移动端阅览
罗瑞新,张成福,张巍,等.京津风沙源区气候分异对植被和水文耦合效应的影响[J].水土保持学报,2026,40(4):163-172,184.
Luo Ruixin, Zhang Chengfu, Zhang Wei, et al. Impacts of climatic differentiation on vegetation-hydrology coupling effects in Beijing-Tianjin sandstorm source region[J]. Journal of Soil and Water Conservation, 2026, 40(4):163-172,184.
罗瑞新,张成福,张巍,等.京津风沙源区气候分异对植被和水文耦合效应的影响[J].水土保持学报,2026,40(4):163-172,184. DOI: 10.13870/j.cnki.stbcxb.2026.04.028. CSTR: 32310.14.stbcxb.2026.04.028.
Luo Ruixin, Zhang Chengfu, Zhang Wei, et al. Impacts of climatic differentiation on vegetation-hydrology coupling effects in Beijing-Tianjin sandstorm source region[J]. Journal of Soil and Water Conservation, 2026, 40(4):163-172,184. DOI: 10.13870/j.cnki.stbcxb.2026.04.028. CSTR: 32310.14.stbcxb.2026.04.028.
目的
2
为分析不同气候植被条件下水文循环规律,通过生态水文模型研究干旱半干旱区水资源植被承载力。
方法
2
基于Eagleson生态水文模型分析该区域不同气候区、不同土地利用类型下的植被水分承载力及生长季的水分收支。
结果
2
1) Eagleson模型在研究区模拟水分植被承载力表现出很好的适用性(
R
²达到0.85)。2)植被覆盖现状与水分承载力具有较为明显的区域差异。在坝上高原及华北北部丘陵山地水源涵养治理区、鄂尔多斯高原沙化土地治理区、浑善达克-科尔沁沙地沙化土地治理区、乌兰察布高原退化荒漠草原治理区及锡林郭勒高原-乌珠穆沁盆地退化草原治理区5个核心生态功能区的植被盖度分别为0.54、0.28、0.36、0.20、0.31。3)坝上高原及华北北部丘陵山地水源涵养治理区仍有49.83%的土地面积植被盖度提升空间,锡林郭勒高原-乌珠穆沁盆地退化草原治理区82.04%面积的植被达到水分承载上限。4)在全区,生长季植被截留蒸腾耗水量占降水量的近90%,裸土蒸发占比不足10%。随着盖度增加,植被蒸腾量也增加。不同植被类型水分收支模式有着明显的差异。
结论
2
Eagleson模型结果优秀,可用于预测干旱半干旱区域水分植被承载力;水分植被承载力具有明显的地域分异,不同地区植被盖度的提升空间不同;灌木林与草地在植被-水文耦合方面表现出更好的气候适应性;气候分异是驱动植被-水文耦合效应空间分异的根本因素。研究结果可为生态建设确定植被盖度提供理论参考和数据基础。
Objective
2
This study aims to analyze hydrological cycle patterns under different climatic and vegetation conditions and evaluate vegetation water carrying capacity in arid and semi-arid regions using an ecohydrological model.
Methods
2
Eagleson′s ecohydrological model was applied to analyze vegetation water carrying capacity and growing-season water budget under different climatic zones and land use types in the study area.
Results
2
1) Eagleson′s model showed good applicability in simulating vegetation water carrying capacity in the study area, with a coefficient of determination (
R
²) of 0.85. 2) Current vegetation coverage and vegetation water carrying capacity showed obvious regional differences. Fractional vegetation coverages (FVC) values in five core ecological functional zones-water conservation and management area in the Bashang Plateau and hilly mountainous area of northern North China, desertification control area in the Ordos Plateau, desertification control area in the Hunshandake-Horqin sandy land, degraded desert grassland control area in the Ulanqab Plateau, and degraded grassland control area in the Xilin Gol Plateau-Ujimqin Basin-were 0.54, 0.28, 0.36, 0.20, and 0.31, respectively. 3) In the water conservation and management area of the Bashang Plateau and hilly mountainous areas of northern North China, 49.83% of the land area still has potential for increased FVC, whereas the degraded grassland control area in the Xilin Gol Plateau-Ujimqin Basin, vegetation in 82.04% of the land area has reached the upper limit of water carrying capacity. Across the entire region, vegetation interception and transpiration during the growing season accounted for nearly 90% of precipitation, whereas bare-soil evaporation accounted for less than 10%. Vegetation transpiration increased with increasing FVC. Water budget patterns differed markedly among different vegetation types.
Conclusion
2
Eagleson′s model shows good performance and can be used to predict vegetation water carrying capacity in arid and semi-arid regions. Vegetation water carrying capacity shows obvious spatial differentiation, and the potential for increasing FVC varies significantly among regions. Shrublands and grasslands show better climatic adaptability in vegetation-hydrology coupling. Climatic differentiation is the fundamental factor driving spatial differentiation of vegetation-hydrology coupling effects. The results provide theoretical reference and data support for determining FVC in ecological restoration.
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