Estimating groundwater recharge following land-use change using chloride mass balance of soil profiles: a case study at Guyuan and Xifeng in the Loess Plateau of China

Huang, Tianming; Pang, Zhonghe

doi:10.1007/s10040-010-0643-8

Cited by 106 publications

(74 citation statements)

References 41 publications

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“…The first is from the Badan Jaran Desert, about 400 km west of the study area, where the best rainfall Cl deposition estimate was 1.5 mg L -1 based on three years monitoring (Ma and Edmunds 2006;Gates et al 2008). The second monitoring source is from a rural monitoring station in the vicinity of Xi'an City (more than 500 km south of the study area) where the volume-weighted average chloride concentration was 1.7 mg L -1 according to 7-year monitoring from -2007(EANET 2009Huang and Pang 2011). Here, we adopted the 1.5 mg L -1 value from Badan Jaran Desert as the Cl rainfall concentration (i.e., wet deposition) since it is closer to the study sites and has similar climatic and environmental conditions.…”

Section: Methods For Recharge and Chronology Calculation And Chloridementioning

confidence: 99%

“…In China the CMB method has recently been applied to estimate the net infiltration and recharge in some studies (Lin and Wei 2001;Wang et al 2006;Liu et al 2009;Huang and Pang 2011;Lin et al 2013). Additionally, several studies estimated past recharge rates and also reconstructed palaeoclimate changes using this method (Chen et al 2001;Ma and Edmunds 2006;Gates et al 2008;Ma et al 2009), providing important information on the changes in the local hydrology and climate change over the past hundreds to thousands of years at the studied sites.…”

Section: Introductionmentioning

confidence: 99%

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Groundwater Diffuse Recharge and its Response to Climate Changes in Semi-Arid Northwestern China

Deng¹,

Wang²,

Cai³

et al. 2015

Terr. Atmos. Ocean. Sci.

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Understanding the processes and rates of groundwater recharge in arid and semi-arid areas is crucial for utilizing and managing groundwater resources sustainably. We obtained three chloride profiles of the unsaturated-zone in the desert/loess transition zone of northwestern China and reconstructed the groundwater recharge variations over the last 11, 21, and 37 years, respectively, using the generalized chloride mass balance (GCMB) method. The average recharge rates were 43.7, 43.5, and 45.1 mm yr -1 , respectively, which are similar to those evaluated by the chloride mass balance (CMB) or GCMB methods in other semi-arid regions. The results indicate that the annual recharge rates were not in complete linear proportion to the corresponding annual precipitations, although both exhibited descending tendencies on the whole. Comparisons between the daily precipitation aggregate at different intensity and recharge rates reveal that the occurrence of relatively heavy daily precipitation per year may contribute to such nonlinearity between annual precipitation and recharge. The possible influences of vegetation cover alterations following precipitation change cannot be excluded as well. The approximately negative correlation between the average annual recharge and temperature suggests that changes in temperature have had significant influences on recharge.

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Section: Methods For Recharge and Chronology Calculation And Chloridementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Groundwater Diffuse Recharge and its Response to Climate Changes in Semi-Arid Northwestern China

Deng¹,

Wang²,

Cai³

et al. 2015

Terr. Atmos. Ocean. Sci.

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“…The semi-arid climate of a large portion of Nebraska Sand Hills region necessarily increases the error range for water balance recharge estimation. Tianming Huang and Zhonghe Pang (2010) found the results that the regional afforestation and other land-use conversions have resulted in deep soil desiccation and have caused an upper boundary to form with low matrix potential, thus preventing the soil moisture from actually recharging the aquifer. F. Manna et.…”

Section: (B) Based On Chemical and Isotopic Methodsmentioning

confidence: 99%

“…The MODIS-based method may be applicable for estimating spatially distributed mean annual recharge rates in sandy areas of the world, where basic climate data (precipitation, air temperature and humidity, global radiation or sunshine duration) are available. Tianming Huang and Zhonghe Pang (2010) concluded that reduced groundwater recharge caused by land-use change can be estimated by comparing the chloride concentration in the soil water from the base of the root zone to the base of the chloride concentrated zone, for pre-converted and converted land uses, based on the chloride mass balance and using the unconverted land use as the background for comparison. Regional afforestation and other land-use conversions to vegetation with higher water demand may have caused soil-water depletion and solute concentration, and are, therefore, not favourable to groundwater recharge and ecosystem restoration.…”

Section: (B) Based On Chemical and Isotopic Methodsmentioning

confidence: 99%

Uncertainties and Challenges in Distribution of Groundwater Recharge in Climate Change Scenario

Patil¹,

Agrawal²

2017

International Conference on Climate Change

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Abstract:Groundwater use is of fundamental importance to meet the rapid expanding urban, industrial, and agricultural water requirements throughout the world and also in India. To quantify the distribution of groundwater recharge is a prerequisite for efficient and sustainable groundwater resource management in the arid and semi arid regions. Groundwater recharge in these regions shows variability, as per the assessment carried out by using various methods such as Soil Water Balance (SWB) analysis, Integrated Landscape Hydrology Model (ILHM), Water Table Fluctuations (WTF), Isotopic Tracers methods -Chloride Mass Balance, Carbon-14,etc, WetSpass model, SWAT-MODFLOW model, Empirical method, Numerical Modelling, etc. The interaction of soil, climate, slope, geology, geomorphology, land use land cover, rainfall, drainage pattern and other methods used for recharge determines the recharge process. The study reveals that the reasons causing this variability are ranging from uncertainties in recharge influencing factors to change in climatic conditions. The study also shows that the uncertainties in distribution of groundwater recharge occur differently in different regions, due to the impact of various factors such as change in climatic conditions, land use, soil types, etc. In conclusion, it can be stated that realistic estimation of recharge depends mainly on identifying prominent features influencing recharge for a certain region and probable flow mechanism for targeted aquifer, multiple dependent models / approaches may be applied for estimation of recharge and output may be compared to actual field conditions.

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“…In addition, chloride is not present in the composition of the applied fertilizers and amendments. Plants exclude chloride during water uptake (Huang and Pang 2010); therefore, C ET can be used to evaluate the evapotranspiration effects.…”

Section: Salt and Nitrogen (No 3 -N) Loadsmentioning

confidence: 99%

Hydrochemical characteristics of irrigation return flow in semi-arid regions of Iran

Jafari

Raeisi

Hoehn

et al. 2012

Hydrological Sciences Journal

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The study area is located on the Harat plain, in the central region of Iran. Four local-soil filled, freedrainage lysimeters were installed in wheat and barley farms operating under traditional farm management practices. The volume, electrical conductivity (EC), nitrate and major ions of the applied irrigation water and irrigation return flow (IRF) were measured during the growing season. The total dissolved solids (TDS) of IRF increased three to five times compared to that of the applied water. This enhancement was the same as for the chloride ion ratio, indicating the major impact of evapotranspiration in IRF salinity enhancement. Geochemical modelling using PHREEQCI confirmed the significant role of evapotranspiration and the minor effects of processes such as calcite precipitation, gypsum dissolution, fertilizer nitrification and ion exchange on the values of the IRF TDS. Time variations of EC were functions of the type of flow (preferential or matrix), lithology and soil type. The controlling parameters of the nitrate time series were the frequent applications of N fertilizer and the nitrification process. The annual N loads (NO 3 -N) of IRF varied from 22 to 195 kg ha -1 . These variations were due to the different N loads in the applied water, the amount of fertilizer, soil texture, N uptake and volume of IRF. The annual salt loads of IRF were mainly controlled by the volume of IRF.Key words irrigation return flow; lysimeter; nitrate; N load; salt load; semi-arid; water quality; traditional farming; Iran Caractéristiques hydrochimiques des débits de colature dans les régions semi-arides de l'Iran Résumé La zone d'étude est située sur la plaine de Harat, dans la région centrale de l'Iran. Quatre lysimètres à drainage libre remplis de sol local ont été installés sur des exploitations agricoles produisant du blé et de l'orge selon des pratiques traditionnelles. Le volume, la conductivité électrique (CE), les nitrates et les ions majeurs de l'eau d'irrigation appliquée et du débit de colature (DC) ont été mesurés pendant la saison de croissance. Les matières totales dissoutes (MTD) du DC ont augmenté de trois à cinq fois par rapport à celles de l'eau appliquée. Cette augmentation a été la même que pour le rapport de l'ion chlorure, indiquant l'impact majeur de l'évapotranspiration dans l'augmentation de la salinité du DC. La modélisation géochimique utilisant PHREEQCI a confirmé le rôle important de l'évapotranspiration et les effets secondaires de processus tels que la précipitation de la calcite, la dissolution du gypse, la nitrification des engrais et les échanges d'ions sur les valeurs des MTD du DC. Les variations temporelles de la CE étaient fonctions du type de débit (préférentiel ou matriciel), de la lithologie et du type de sol. Les paramètres contrôlant la série chronologique des nitrates étaient les applications fréquentes d'engrais azotés et le processus de nitrification. Les charges annuelles en N (NO 3 -N) du DC ont varié de 22 à 195 kg ha -1 . Ces variations étaient dues aux charges en ...

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Estimating groundwater recharge following land-use change using chloride mass balance of soil profiles: a case study at Guyuan and Xifeng in the Loess Plateau of China

Cited by 106 publications

References 41 publications

Groundwater Diffuse Recharge and its Response to Climate Changes in Semi-Arid Northwestern China

Groundwater Diffuse Recharge and its Response to Climate Changes in Semi-Arid Northwestern China

Uncertainties and Challenges in Distribution of Groundwater Recharge in Climate Change Scenario

Hydrochemical characteristics of irrigation return flow in semi-arid regions of Iran

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