Hydrogeological mapping is a key tool for groundwater resource management. Generally, hydrogeological maps focus mainly on porous or karst aquifer at large scale. In fractured-rock aquifer, the flow path not immediately deductible due to intrinsic complexity of fracture systems. Then, it crucial importance collecting complete dataset describing site interest: fault and strata patterns, geomorph...

Abstract Springs located at the historical sites of Wadi Araba (Eastern Desert Egypt) and emerging from escarpments Northern Southern Galala Plateaus were investigated. A combination methods, including hydrochemistry, stable radioisotope composition, structural analyses based on satellite data, provided information about structure subsurface derived groundwater flow paths. Satellite images reve...

introduction the iran has vast areas of karst landforms due to the relatively high carbonaceous rocks deposited during different geologic eras. karst landforms are noteworthy for investigation from many aspects. the primary importance of these regions is the considerable amount of underground water stored in karst formations. these reserves are favorable, both in quality and quantity, as natura...

Slip rates of the right-lateral Owens Valley Fault lie at the center of an ongoing debate over the rheology and mechanics of lithospheric deformation in eastern California. Slip rates determined from paleoseismic records of surface rupture yield Late Pleistocene – Holocene rates of < 1mm/yr to ~2 mm/yr. The decadal velocity field across the valley, however, approaches ~6 mm/yr of right-lateral ...

Cave entrances directly connect the surface and subsurface geomorphology in karst landscapes. Understanding spatial distribution of these features can help identify areas on landscape that are critical to flow groundwater system. Sinkholes springs major locations inflow outflow from system, respectively, however not all sinkholes equally connected main conduit Predicting where zones high connec...

The Apuan Alps (Italy) are an internationally renowned karst region where several springs have a mean discharge exceeding 100 L/s, thus representing important water resources. One of the major springs, Pollaccia, was monitored for approximately one year. This spring drains structurally complex metamorphic aquifer that is characterized by multiple hydrologic sectors with variable recharge and in...

Karst groundwater in the Niangziguan spring fields is main source to supply domestic and industrial water demands Yangquan City, China. However, safety of this region has recently suffered from deteriorating quality levels. Therefore, identifying pollution sources causes crucial for maintaining a reliable supply. In study, systematic sample collection karst was implemented identify hydrochemica...

Green plants play an important role in matter and energy transformations and are key messengers in the carbon and energy cycle. Vegetation net primary productivity (NPP) reflects the capability of plants to convert solar energy into photosynthate (fixed carbon). It can be used as a direct indicator of current status and future trend of ecological processes affected by human activities and clima...

Remote sensing has been used in karst studies to identify limestone terrain, describe exokarst features, analyze karst depressions, and detect geological structures important to karst development. The aim of this work is to investigate the use of ASTER-, SRTMand ALOS/PRISM-derived digital elevation models (DEMs) to detect and quantify natural karst depressions along the São Francisco River near...