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GEL 111- Unit 7 Discussion: Your State’s Geological Survey

Aug 7, 2023

Unit 7 Discussion: Your State’s Geological Survey

Search your state’s geological survey data banks and prepare a report on what you find about your state’s geology and climate data.  For example; in Ohio, the state’s geological survey is listed with the Ohio Department of Natural Resources. You may need to do a little research to find where your state’s data banks are located to find this information. I have included a link that will help you begin this search, see below. (Links to an external site.)

In Washington, D.C., the summers are warm and muggy, the winters are very cold and snowy, and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 29°F to 88°F and is rarely below 17°F or above 96°F. 

Unit 7 Discussion: Your State’s Geological Survey

Washington DC is considered to be the biggest center of power on earth. It is a powerhouse for scientific research along with geo-scientific research (Heidari et al. 2021, p.65003). Washington is known as the hometown of institutions like the US Geological Survey, The Carnegie Institution for Science (TCIS), The Smithsonian Institution, etc. Even, the foundations like The National Institute of Standards and Technology (NIST), NASA, NOAA, advisory and lobbying groups such as the National Academy of Sciences (TANS), The American Geosciences Institute (TAGI), and The American Geophysical Union (TAGU) serves as the major source of geological and climatic data.

Geology of Washington:

The Geology of Washington can be studied with the main two regions of the city. The first part is the North-western Quadrant which is marked by moderate to steep hills underlying the metamorphic rocks of Ordovician. This part is located in the Appalachian Piedmont region. The Washington City North-eastern and southeastern Quadrants comprise the sedimentary deposits featuring the terrain wherein the rivers stem and creeks break down the soil.

Geographical location:

 This state is located in the Pacific Northwest region of the Western United States. This is surrounded by the Pacific Ocean in the west. Oregon covers the southern part of Washington. In the case of the East, Washington is protected by Idaho. The northern part is surrounded by the Canadian Province of British Columbia. Olympia is recognized as the state capital of this state.  It is considered the 18th largest state and consists of an area of 71,362 square miles


Weather can be described as the collection of various elements like temperature, cloudiness, brightness, humidity, atmospheric pressure, and wind.

Climate: The climate of the Washington, D.C. region is somewhat similar to semi-continental. It shows the characteristics of cold winter and hot and humid summer (Zhang & Ayyub, 2018, p.23). This area is located in the 38th parallel, between the areas of half cold and half summer in the United States. Therefore it is widely affected by the cold airways coming from Canada in winter, and in summer this region experiences a hot bright Sun but at the time of evening, there is also the possibility of a thunderstorm which acts as a reliever from the hot climate in the morning.

Temperature: Throughout the year the temperature of the Washington region stays between 37°F to 79°F (Malhi et el. 2020, p. 1769).

Precipitation: The precipitation in the form of snowfall, rainfall, sleet, or hail is around 114 days per year. Although to consider it as a precipitate the minimum value of .01 inches on the ground is always required.

Rainfall: On average around 43 inches of rain is quite common annually.

Snowfall: On average around 14 inches of snowfall is quite common annually.

Atmospheric pressure

In Washington, DC the average atmospheric pressure varies between 29.82 in Hg.

Although the city’s natural features are much similar to the physical geography of Maryland.


Heidari, H., Arabi, M., Warziniack, T., & Kao, S. C. (2021). Shifts in hydroclimatology of US megaregions in response to climate change. Environmental Research Communications3(6), 065002.

Malhi, Y., Franklin, J., Seddon, N., Solan, M., Turner, M. G., Field, C. B., & Knowlton, N. (2020). Climate change and ecosystems: Threats, opportunities and solutions. Philosophical Transactions of the Royal Society B375(1794), 20190104.

Zhang, Y., & Ayyub, B. M. (2018). Urban heat projections in a changing climate: Washington, DC, case study. ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering4(4), 04018032.

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