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- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/19%3A_Deserts/19.01%3A_DesertsThis page discusses deserts as arid regions covering one-third of Earth's surface, formed by erosion and weathering processes. They host specialized flora and fauna adapted to extreme conditions. Vari...This page discusses deserts as arid regions covering one-third of Earth's surface, formed by erosion and weathering processes. They host specialized flora and fauna adapted to extreme conditions. Various desert types are defined by precipitation and temperature, with unique geological features like dunes and stone pavements. The text explores human interaction, cultural significance, and threats like desertification.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/06%3A_Surface_Water/6.05%3A_FloodsThis page discusses floods as natural events caused by excess water, often affecting low-lying areas due to heavy rainfall. It covers the sudden nature of flash floods and the role of vegetation in fl...This page discusses floods as natural events caused by excess water, often affecting low-lying areas due to heavy rainfall. It covers the sudden nature of flash floods and the role of vegetation in flood mitigation. The use of dams and levees to control floods is highlighted, along with their potential to shift flood risks. The summary emphasizes the dual nature of floods, noting their destructive impact alongside the benefits of nutrient-rich sediments for agriculture and ecosystems.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/18%3A_Climate_and_Climate_Change/18.01%3A_Climate_Systems_and_ChangeThis page discusses the factors influencing climate, such as latitude, circulation, and ocean currents, along with the Köppen classification system of climate zones. It highlights climate change's imp...This page discusses the factors influencing climate, such as latitude, circulation, and ocean currents, along with the Köppen classification system of climate zones. It highlights climate change's impacts on ecosystems, agriculture, and projections of rising temperatures due to human activities. The text emphasizes the severe consequences of climate change, including extreme weather, loss of biodiversity, and agricultural challenges.
- https://geo.libretexts.org/Bookshelves/Geography_(Physical)/California_Geography_(Patrich)/08%3A_Klamath_and_The_Modoc_Plateau/8.04%3A_CLIMATIC_FEATURESThe region's climate varies significantly; the coastal areas are extremely wet with mild temperatures, while inland areas experience less precipitation, warmer summers, and colder winters. Higher moun...The region's climate varies significantly; the coastal areas are extremely wet with mild temperatures, while inland areas experience less precipitation, warmer summers, and colder winters. Higher mountains present semi-arctic conditions. There is a notable vertical range for plants and trees, such as the madrone and Spanish bayonet, depending on slope exposure and conditions. Rainfall is lighter on the eastern edge of the district.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/06%3A_Surface_Water/6.01%3A_Earths_Fresh_WaterThis page discusses the vital role of water on Earth, covering its properties in solid, liquid, and gas states. It notes that 97% of Earth's water is saltwater, with just 3% fresh water, mainly as ice...This page discusses the vital role of water on Earth, covering its properties in solid, liquid, and gas states. It notes that 97% of Earth's water is saltwater, with just 3% fresh water, mainly as ice. The hydrologic cycle, driven by solar energy, moves water through evaporation, condensation, and precipitation. Concerns about groundwater overuse and the importance of water conservation policies are addressed.
- https://geo.libretexts.org/Courses/Lumen_Learning/Earth_Science_(Lumen)/13%3A_Weather/13.01%3A_Weather_Processes_and_SystemsThis page provides a comprehensive overview of weather elements like temperature, humidity, and precipitation, their effects on local conditions, and the formation of weather phenomena such as thunder...This page provides a comprehensive overview of weather elements like temperature, humidity, and precipitation, their effects on local conditions, and the formation of weather phenomena such as thunderstorms, tornadoes, and hurricanes. It explains air masses, weather fronts, and the stages of thunderstorms, highlighting severe weather's impacts.
