In temperate lakes, the surface water is replenished with nutrients during mixing turnovers that occur in the summer and winter. summer and autumn. autumn and winter. spring and summer. autumn and spring.
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- Name: Period: Date: The Water Cycle The water cycle, also known as the hydrologic cycle, is the movement of water between the ocean, the atmosphere, land, and living things. Since the water cycle is truly a "cycle," there is no beginning or end. Heat energy from the sun drives the water cycle. Main processes of the water cycle are evaporation, transpiration, condensation, precipitation, and runoff. Lake 1. The processes involved in the water cycle are labeled with letters A-G in the diagram. Use the words below to identify each process and write it on the lines provided. condensation root uptake percolation evaporation A runoff transpiration precipitation F D A D FFor each 1°C increase in temperature, plants need 2 mm additional precipitation to maintain a healthy water balance; i.e. PET = 2 ×T (°C). For an ecosystem with a mean monthly temperature of 30°C, receiving 40 mm/ month precipitation, which of the following statements is most likely true? There is a water surplus and AET = PET. There is a water surplus and AET < PET. O There is a water deficit and AET = PET. O There is a water deficit and AET < PET. 17 12Explain the various anthropogenic causes of the water cycle.
- High buffering capacity means the soil will retain more nutrients than soil with low buffering capacity. True or FalseOther than precipitation, discuss how two other parts of water cycle are influenced by droughts. Why can/can’t the answer be evaporation, transpiration and condensation?Which of the following are true about irrigation? Select all that apply 1. It requires sunlight to be beneficial 2. It helps to saturate the land 3. It depletes the groundwater supply 4. It prevents farmers from replying on rainfall
- For which of the following problems would growing and maintaining cover crops be an appropriate solution? Erosion is thinning the soil on a farm. The organic matter and nutrients in the soil on a farm are being depleted. The soil on a farm is becoming arid due to decreased water-carrying capacity. a I and II only b I and III only c II and III only d I, II, and IIIWhat natural and human-influenced factors may affect the following water chemistry parameters, and why, specifically, do the perturbations influence the integrity/health of the marsh ecosystem? pH: DO2 concentrations% saturation: Temperature:Which water management practice would work best in preserving and managing Earth’s water supply?
- Explain virtual water and its role in water conservation. Provide 1 example of how you can reduce your virtual water consumption.✓✓Explain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.Please describe the water cycle, including sources of usable freshwater and renewal times for rivers, lakes, and groundwater.