Vertical hydraulic gradient is commonly measured in rivers, lakes, and streams for studies of groundwater-surface water interaction. While a number of methods with subtle differences have been applied, these methods can generally be separated into two categories; measuring surface water elevation and pressure in the subsurface separately or making direct measurements of the head difference with...

This paper aims to determine how both climate and local drivers, such as groundwater withdrawals influence surface water - interactions in Groundwater Dependent Ecosystems (GDEs). We studied the hydroperiod eight of most representative ponds Doñana National Park (southern Spain) during a 21-year period. analyzed average flooded phase each pond well depth piezometric level nearby piezometers. In...

The Rockefeller Wildlife Refuge, located along the Chenier Plain in Southwest Louisiana, was location of sequential landfall two major hurricanes 2020 hurricane season. To protect rapidly retreating coastline a system breakwaters constructed, which partially completed by Multi-institutional, multi-disciplinary rapid response deployments wave gauges, piezometers, geotechnical measurements, veget...

hydrograph modeling and prediction of groundwater levels are the main concerns of most hydrogeological calculations and water resource management process. the present study is an application of sequential gaussian simulation (sgsim) method for predicting groundwater levels using recorded monthly data (180 months) related to 21 piezometers of behbahan aquifer, southwest of iran. to generate real...

In this study we present microstructural data from hydrothermal veins in the sedimentary cover and the igneous basement recovered from Hole U1414A, Integrated Ocean Drilling Program (IODP) Expedition 344 (Costa Rica Seismogenesis Project), to constrain deformation mechanism operating in the subducting Cocos Plate. Cathodoluminescence studies, mechanical e-twin piezometry and electron backscatte...

DOI 10.4409/Am-045-12-0048 Abstract: The slug test offers a fast and inexpensive field method of obtaining localized hydraulic conductivity values. In this paper, we applied this procedure in a ‘fontanili’ zone located in the middle Venetian Plain (Villaverla, VI). In this site, 34 piezometers are present in a small area of 1.5 ha, which intercepts a shallow unconfined aquifer. The experimental...

Journal of Environmental Hydrology Volume 19 Paper 14 May 2011 1 Restoration of large tracts of cropland to tallgrass prairie in north-central USA suggests that conversion will reduce runoff, infiltration, and groundwater recharge. In northwestern Minnesota, U.S.A., physically similar, adjacent native prairie (control) and cultivated sites were instrumented with time-domain reflectometry probes...

ABSTRACT: Recent theoretical work on stream depletion and water level responses to pumping a well near a stream include the (semi-) analytical solutions by Hunt (1999), Zlotnik and Huang (1999), and Butler et al. (2001). Yet, few field studies assessed the limiting assumptions and physical concepts inherent in the theoretical models. A long-term study of stream depletion under typical condition...

Understanding how the concentration and chemical quality of dissolved organic matter (DOM) varies in soils is critical because DOM inXuences an array of biological, chemical, and physical processes. We used PARAFAC modeling of excitation–emission Xuorescence spectroscopy, speciWc UV absorbance (SUVA254) and biodegradable dissolved organic carbon (BDOC) incubations to investigate the chemical qu...

Abstract Groundwater is an essential source to supply water for various sectors. This paper aimed predict the quantitative and qualitative changes in groundwater over time evaluate efficiency of different modeling methods. study based on three steps. In first step, piezometers were clustered by Growing Neural Gas Network (GNG) method, central piezometer each cluster was used behalf cluster. sec...