Perhaps searching can help. Storativity describes the property of … 3). An accounting of all the inflows, outflows, and changes in storage is called a water budget. By continuing to use our website, you are agreeing to our, Factors affecting the groundwater system around an underground LPG storage cavern. Two factors are especially important: porosity and permeability. Possible contamination by induced infiltration of surface water adds several dimensions to the protection of ground water. 2. The cross-correlation analysis results showed that the 11-year monitoring data of groundwater head and seepage water into caverns were mainly controlled by rainfall and cavern operation pressure. The distribution of hydrogeochemical constituents in groundwater shows that the major part of groundwater flow and transport occurs from structurally formed high-recharge zones to cavern seepage zones. One factor that influences how groundwater moves is the porosity of a soil. Porosity. Hydrogeochemical analysis results in the site showed the influence of sodium hypochlorite (NaOCl), used in disinfection activity to remove microbial clogging around caverns and water curtains. Kyung-seok Ko, Ho Wan Chang, Taehee Kim and Kang-kun Lee, This site uses cookies. Before talking about groundwater recharge, Let’s have a quick overview of what the term “groundwater” really means. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The one common factor for all ground-water systems, however, is that the total amount of water entering, leaving, and being stored in the system must be conserved. Infiltration of precipitation falling on the ice cap of Greenland might be very small, whereas, as this picture of a stream disappearing into a cave in southern Georgia shows, a stream can act as a direct funnel right into groundwater! We also use third-party cookies that help us analyze and understand how you use this website. You also have the option to opt-out of these cookies. You can think of porosity as the spaces between particles, much like the spaces in a jar of jelly beans. The result of seepage rate being mainly controlled by operation pressure support the dependence on operation pressure rather than rainfall and microbial clogging. Natural and artificial factors affecting groundwater flow and transport in the vicinity of an LPG storage site were examined to understand the groundwater flow and transport regime around LPG storage caverns. Storativity describes the property of an aquifer to store water. Subsurface geology. This website uses cookies to improve your experience while you navigate through the website. It seems we can’t find what you’re looking for. Recharge of groundwater occurs from precipitation that infiltrates soils or that seeps from the bottom of surface water bodies such as lakes and streams. Necessary cookies are absolutely essential for the website to function properly. bypumping one well and observing the changes in hydraulic head in neighboringwells. Seoul National University, School of Earth and Environmental Sciences, N35°31'60" - N35°31'60", E129°20'60" - E129°20'60", https://pubs.geoscienceworld.org/gsl/qjegh/article/35/3/279/114582/Factors-affecting-the-groundwater-system-around-an. The growth rate of vegetation is a dominant factor affecting groundwater drought. FACTORS AFFECTING GROUNDWATER FLUCTUATION BELOW GROUND SURFACE: 1. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. By clicking “Accept”, you consent to the use of ALL the cookies. The nature of subsurface materials strongly influences the rate of groundwater movement and the amount of groundwater that can be stored. Determining changes in groundwater quality over time involves systematic monitoring of constituents of concern, coupled with an understanding of the dynamics of a groundwater-flow system. This category only includes cookies that ensures basic functionalities and security features of the website. Discharge areas include streams, lakes, wetlands, coastal areas, springs, or where the groundwater flow is intercepted by wells. This means that for storage loss of 1 ML, the groundwater level would be drawn down by 10 m or much more. Fine sediments can severely alter aquatic communities by clogging fish … Dominant factors affecting channel selection are discussed below: 1. 4. This is the amount of water the soil can hold. Hydraulic conductivity is measured by performing a pumping test, i.e. The distribution of hydrogeochemical constituents in groundwater shows that the major part of groundwater flow and transport occurs from structurally formed high-recharge zones to cavern seepage zones. Due to the chemical characteristics of NaOCl, the groundwater compositions of wells around caverns selectively showed high pH, sodium, and chloride concentrations. Throughflow and Groundwater Storage: Throughflow is the sporadic horizontal flow of water within the soil layer (Figure 8m-1). Topography and geology are the dominant factors controlling groundwaterflow. Channel must be fit the type and nature of company’s products. Soil, saprolite and fractured bedrock control groundwater flow: These factors can include natural geology and local aquifer conditions, human activities related to land use, and well construction and operation. All of those nooks and crannies in between the pieces of candy are the pores - the larger the open spaces, the more porous it is. But opting out of some of these cookies may affect your browsing experience. Physical parameters of aquifers like transmissibility, storage co-efficient and specific yield. These cookies do not store any personal information. This is the amount of water the soil can hold. You can think of porosity as the spaces between particles, much like the spaces in a jar of jelly beans. How much infiltrates depends greatly on a number of factors. One factor that influences how groundwater moves is the porosityof a soil. Suspended sediments contribute to the reduction of water clarity and quality. The faults and associated fractures, which act as groundwater conduits in the site, are considered to be the main factors causing the hydrochemical heterogeneity. Porosity Water soaks into the ground because bedrock, sediment, and soil contain countless voids or openings. Such factors include: a. Product-related factors are among most relevant and powerful factors affecting channel decision. Another important factor influencing groundwater recharge as well as the groundwater storage is the snowmelt processes prevailing in cold regions during the onset of spring–summer. The river basins have been receiving a sub- stantial amount of snowfall during winter months (Fig. Sediment can also increase the potential for floods by decreasing reservoir storage and stream-channel capacity. In recharge areas water is added to groundwater, in discharge areas water is lost from groundwater. You can think of porosity as the spaces between particles, much like the spaces in a jar of jelly beans. It normally takes place when the soil is completely saturated with water. 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