LI Qian; MA Long; LIU Tingxi
Abstract: Coal mining has changed the hydrogeological conditions of river basins, and studying how the relationship among different types of water body has changed under the influence of coal mining is of great significance for understanding the regional hydrological cycle. We analyzed the temporal and spatial distribution of hydrochemical properties and environmental isotopes in the Hailiutu River Basin (HRB), China with a mixed model. The results showed that: (1) human activity (e.g., coal mining and agricultural production) causes considerable changes in the hydrochemical properties of surface water in and around the mining areas, and leads to significant increases in the concentrations of Na+ and SO2– 4; (2) precipitation is the main source of water vapour in the HRB. The transformation between surface water and groundwater in the natural watershed is mainly affected by precipitation; and (3) in the mining areas, the average contribution rates of precipitation to the recharge of surface water and groundwater increased by 2.6%–7.9% and 2.7%–9.9%, respectively. Groundwater in the Salawusu Formation constitutes up to 61.3%–72.4% of mine water. Overall, this study is beneficial for quantifying the effects of coal mining on local hydrological cycles. The research results can provide a reference for local water resources management and ecological environment improvement. |
submitted time 2022-06-17 Cooperative journals:《Journal of Arid Land》 Hits296, Downloads158, Comment 0
陈晨
北方农牧交错带濒危少数民族语地名规模不断增加,少数民族语地名文化脆弱性日益突 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits1314, Downloads215, Comment 0
杜雨涵
小区是居民日常生活和构建社会关系的重要场所,由于居住环境差异,导致剥夺现象发 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits1676, Downloads225, Comment 0
关中平原城市群“交通-产业-环境”耦合协调 发展的动态演化特征分析
达成
关中平原城市群是丝绸之路经济带的重要城市群。运用耦合协调度模型定量分析了关中 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits1416, Downloads212, Comment 0
基于Alpha Shape 算法的分散式乡村 聚落形状划分及其形成研究 ——以米脂县龙镇为例
王天宇
为了定量划分分散式乡村聚落的形状类型并探究其形成原因,以陕北黄土丘陵沟壑区米脂 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits1282, Downloads196, Comment 0
干旱区文化旅游地社会-生态系统恢复力年际变化及影响因素 ——以甘肃省敦煌市为例
李观凤
文旅融合背景下,分析文化旅游地社会-生态系统恢复力年际变化及影响因素,能够为文 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits1092, Downloads200, Comment 0
基于土地利用转移流的国土空间格局演变 及其驱动机制研究 ——以宁夏原州区为例
马彩虹
提出了基于土地利用转移流的溯源分析法,结合社会网络分析方法与核密度分析法,探究 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits886, Downloads188, Comment 0
叶文丽
社会-生态系统恢复力理论为可持续发展研究提供了新视角。从社会、经济、生态三大子 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits680, Downloads246, Comment 0
王奕淇
要实现黄河流域生态保护和高质量发展,需解决流域生态环境与社会经济发展的可持续问题。运用系统动力学方法,构建社会、经济、资源与环境4个子系统,设计维持现状、优先发展社会、优先发展经济、优先节约资源、优先保护环境以及协同发展6个情景,在对不同情景进行模拟仿真的基础上,探寻实现黄河流域生态环境与社会经济可持续发展的最优方案。结果表明:在协同发展情景中,黄河流域的社会经济得到较快发展,总人口和国内生产总值(GDP)于2030年将分别增长10.93%和499.05%;资源的使用效率得到提高,单位GDP水耗和能耗于2030将分别下降78.31%和68.16%;污染物的排放量可有效降低,工业化学需氧量(COD)排放量和工业二氧化硫(SO2)排放量于2030将分别下降80.64%和80.17%。相较于其他情景,协同发展是黄河流域实现生态环境与社会经济可持续发展的最优方案。 |
submitted time 2022-06-09 Cooperative journals:《干旱区地理》 Hits640, Downloads186, Comment 0
范斌
浅层地温能的开发利用有助于优化区域能源结构、节约常规化石能源、减少CO2排放。为掌握兰州新区浅层地温能的适宜性特点,对该类资源的开发规划和政府决策提供科学依据,以兰州新区建成区和规划区为研究对象,在分析区内浅层地温能赋存条件的基础上,依据掌握的多年实际勘查资料和测试数据,通过综合运用改进的层次分析法、综合指数法,对兰州新区440 km2的区域进行了土壤源热泵系统适宜性评价分析。结果表明:(1)兰州新区拥有较为优异的浅层地温能赋存条件,区内地层结构简单且分布稳定,岩土体综合热导率、比热容、地温梯度均较高,十分有利于土壤源热泵系统的应用;而受到含水层富水性弱、水质差等因素的影响,地下水源热泵系统适宜性差。(2)基于层次分析法建立的适宜性评价模型共划分3个属性准则和7个要素指标,采用指数标度分别构建了各层次的判断矩阵,并全部高精度通过一致性检验,同时优化了各要素参数的无量纲化方法,构建的评价模型更符合实际。(3)研究区内对于土壤源热泵适宜性影响较大的要素主要是平均热导率和地温梯度。评价显示兰州新区土壤源热泵系统适宜、较适宜区总面积359.46km2,占评价区总面积的81.70%,主要分布于秦王川盆地平原区,其余丘陵山区地带不适宜土壤源热泵系统的建设。评价结果对兰州新区乃至其他地质条件类似地区土壤源热泵系统的开发利用规划具有指导意义。 |
submitted time 2022-06-08 Cooperative journals:《干旱区地理》 Hits1134, Downloads447, Comment 0