PPT-Sinkholes

By Jewel Miller What are sinkholes Sinkholes are depressions or holes in the land surface that occur throughout westcentral Florida They can be shallow or deep small or large but all are a result of the dissolving of the underlying limestone. Department of Financial Services Sinkholes and Catastrophic Ground Collapse Here are some immediate steps you should take if a sinkhole has appeared on your property, or if a portion of your home ha Living with sinkholes. Cathy Pappas-. Maenz. Department of Geology. Dawson College. What is a sinkhole?. A hole in the ground which is not connected to surface drainage.. Sinkholes are typically found in a landscape referred to as “Karst Topography”. Venezuela. Michelle Davis. Jordan Lewis. Karla Rivera. Carlos Moreno. Interesting Facts About Venezuela. Population (2012): 28,047,938. The term Venezuela literally means ‘Little Venice’. The country was so named by its explorers, who saw houses built on stilts in a lake here, reminding them of Venice. . 14. Compare and contrast ordinary wells and artesian wells.. What is porosity?. What is permeability?. Today, we will describe how water chemically weathers rock.. Chemical Weathering. As groundwater passes through permeable rock, minerals in the rock dissolve.. Chemical Weathering. Jade,McKaylin,Atavia,Hayley. Key terms . Cavern. A large cave that may consist of many smaller connecting chambers.. Sinkhole. a circular depression that forms at the surface when rock dissolves, sediment is removed or when caves or mines collapse. . Karst. groundwater . the water that is beneath Earth’s surface. porosity. . the percentage of the total volume of a rock or sediment that consists of open spaces. permeability . the ability of a rock or sediment to let fluids pass through its open spaces, or pores. Nate Green and Jacob Hartle. Forest and Natural Resource Management 3262 . Introduction. Karst Topography is an important landscape to understand due to the amount of destruction it can cause to our infrastructure. . By: Elaina and Bella. The Southern Hills and Lowlands Region. The Southern Hills and Lowlands covers one third of Southern Indiana. . Lowlands and Uplands. Southern Hills and lowlands have a pattern that goes from West to East and the pattern goes Upland than Lowland.. Caves, Sinkholes, and Carbonates, Oh My!. Karst-Develops in Carbonate Rocks. Carbonic Acid= CO2 + H2O. Caves and Caverns. Formed from the chemical weathering of limestone and dolomite through carbonic acid. Cracks open and eventually widen to make a cave. . Created By: Marcous Phillips. What is a . sinkhole. A sinkhole is a depression in the ground that has no natural external surface drainage. .. Water drains to the subsurface. Causes of sinkholes. Underneath soil/rock is dissolved by groundwater flowing through the material.. Living with sinkholes. Cathy Pappas-. Maenz. Department of Geology. Dawson College. What is a sinkhole?. A hole in the ground which is not connected to surface drainage.. Sinkholes are typically found in a landscape referred to as “Karst Topography”. groundwater . the water that is beneath Earth’s surface. porosity. . the percentage of the total volume of a rock or sediment that consists of open spaces. permeability . the ability of a rock or sediment to let fluids pass through its open spaces, or pores. John “Sam” Morter. Advisor: Dr. Patrick Kennelly. GEOG 596A: Capstone Peer Review. Fall 2013. Overview. Background. Problem. Goal and Objective. Study Area and Environment. Data. Methodology. Anticipated Results. Part 1: Gravity Surveying Field Data Example. Image credits: . A.Parsekian. , USGS, . S.Kruse. Overview. Sinkholes and karst as a gravity target . The importance of locating sinkholes for hazard mitigation.