Characteristics of Groundwater Recharge on the North China Plain

Tan, Xiu-Cui; Wu, Jingwei; Cai, Shuhui; Yang, Jinzhong

doi:10.1111/gwat.12114

Cited by 37 publications

(24 citation statements)

References 20 publications

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“…The Mann-Kendall test for temperature change contradicts hypothesis H 0 (Table 1); that is, an increasing trend for the temperature series was found to be significant at the 5% level. Temperature increased at a rate of 0.28 °C/10 a, similar to results in previous studies [39,45]. This increasing trend in mean annual temperature resulted in an increase in water vapor capacity.…”

Section: Climate Changesupporting

confidence: 88%

Identifying Major Factors Affecting Groundwater Change in the North China Plain with Grey Relational Analysis

Xue

Zhang

2014

Water

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Abstract:The North China Plain (NCP) is facing a water crisis under the dual impact of natural and anthropogenic factors. Groundwater levels have declined continuously since 1960, causing a series of environmental problems that have restricted sustainable development in the region. In the present study, we first utilized a previously developed 3D groundwater model to determine changes in groundwater level in the region over the past 50 years . We then applied grey relational analysis (GRA) to identify and ordinate major factors that have contributed to these changes. The results show an overall decreasing trend in groundwater levels in this region over the past 50 years and an increase in the water table depth at a rate of approximately 0.36 m/a. Groundwater exploitation showed the most significant correlation with the groundwater table decline, when compared with other factors including precipitation and river leakage. Therefore, human activities should be considered the primary force driving the groundwater level down. The results of this study have implications for developing criteria that consider changes in both climate and socio-economics. Furthermore, since the NCP is one of the most water-scarce OPEN ACCESSWater 2014, 6 1582 and densely populated regions in the world, the analytical approach used in and the insights gained from this study are of international interest.

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Section: Climate Changesupporting

confidence: 88%

Identifying Major Factors Affecting Groundwater Change in the North China Plain with Grey Relational Analysis

Xue

Zhang

2014

Water

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“…It can be seen that the recharge coefficient increased with the level at the higher groundwater level, but the correlation between the two was no longer obvious at the lower groundwater level. This conclusion agreed with the views of Tan et al [32]. The reason of this phenomenon was worth further research.…”

Section: Analysis Of Influencing Factorssupporting

confidence: 92%

Research on Characteristics of Groundwater Recharge in the Weishan Irrigated District Based on a Bromide Tracer

Cong

Wang

2018

Water

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Abstract:Bromide was used as tracer in the Weishan Irrigated District to determine the groundwater recharge as well as to evaluate the impacts of different irrigation basin locations, irrigation regimes, and crop types on the recharge. The comprehensive recharge coefficient and the Kriging Spatial Interpolation methods were used to distinguish the effects of precipitation and surface water irrigation on the groundwater recharge rate. The results show that the recharge rates ranged from 85.8 to 243 mm/a, with an average of 168 mm/a. The average recharge rate in the upstream district is greater in the downstream and the average recharge rate of irrigated land (193 mm/a) is greater than non-irrigated land (110 mm/a). The recharge rates in fields of winter wheat-summer maize and cotton with irrigation are 210 mm/a and 140 mm/a, respectively, while they are 115 mm/a and 94.1 mm/a under no irrigation conditions. The comprehensive recharge coefficient of groundwater in the upstream irrigation area is larger than that in the downstream. By comparing the spatial distribution of the groundwater level and the comprehensive recharge coefficient, it is found that there is a positive relationship between the groundwater level and the comprehensive recharge coefficient. The results of this study can provide reference and guidance to a water resources analysis of the Weishan Irrigated District.

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“…cn/english/). The significant depletion was also evidenced by various investigations on groundwater resources of this region using the Gravity Recovery and Climate Experiment (GRACE) satellites (Liu et al, 2015;Tang et al, 2013), using groundwater monitoring wells (Wang et al, 2009), and using tracer experiment (Tan et al, 2014). The excessive groundwater extraction is considered as the "external" water sources to local surface soil water, and contributes to the large difference in observed trends between soil moisture and precipitation.…”

Section: Reasons Underlying the Difference Between Precipitation And mentioning

confidence: 93%

Comparison of temporal trends from multiple soil moisture data sets and precipitation: The implication of irrigation on regional soil moisture trend

Qiu

Gao

Wang

et al. 2016

International Journal of Applied Earth Observation and Geoinfor

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a b s t r a c tIn this study, soil moisture trend during 1996-2010 in China was analyzed based on three soil moisture data sets, namely microwave-based multi-satellite surface soil moisture product released from European Space Agency's Climate Change Initiative (ESA CCI), ERA-Interim/Land reanalysis, and in-situ measurements collected from the nationwide agro-meteorological network. Taking the in-situ soil moisture as reference, it is found that ESA CCI generally captured soil moisture trend more accurately than ERA-Interim/Land did. From the spatial distribution of trend analysis results, it is seen that significant decreasing trend for summer soil moisture in northwestern China and northern Inner Mongolia, as well as the significant increasing trend for autumn soil moisture in northern China were identified by both ESA CCI and ERA-Interim/Land. This is in alignment with results from gauge-based precipitation provided by Institute of Geographic Sciences and Natural Resources Research (IGSNRR) and satellite-based precipitation from Tropical Rainfall Measuring Mission (TRMM). However, disagreements in derived trends between ESA CCI, ERA-Interim/Land and IGSNRR were observed in the southwest and north of China, especially in major irrigation regions, such as the oases in northern Xinjiang and large areas in Sichuan province. Prominent difference between soil moisture and precipitation exhibited in the extensively irrigated Huang-Huai-Hai Plain. The spatial coincidence between significantly wetting areas (identified by ESA CCI) and heavily irrigated areas, as well as the grid-based Student's t-test sampling from various irrigation levels revealed that the observed discrepancy was caused by massive anthropogenic interference in this region. Results indicate that, for regions with great magnitude of human interference, modules considering actual irrigation practice are crucial for successful modeling of soil moisture and capturing the long-term trend. Furthermore, results could provide insights on hindcast of historical irrigation areas using satellite-based precipitation and soil moisture data sets.

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Characteristics of Groundwater Recharge on the North China Plain

Cited by 37 publications

References 20 publications

Identifying Major Factors Affecting Groundwater Change in the North China Plain with Grey Relational Analysis

Identifying Major Factors Affecting Groundwater Change in the North China Plain with Grey Relational Analysis

Research on Characteristics of Groundwater Recharge in the Weishan Irrigated District Based on a Bromide Tracer

Comparison of temporal trends from multiple soil moisture data sets and precipitation: The implication of irrigation on regional soil moisture trend

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