Wetland Definition and Parameters
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Questions and Answers

What is an important indicator of wetland hydrology?

  • The frequency of flooding (correct)
  • The type of vegetation present
  • The presence of evapotranspiration
  • The depth of the water table
  • What are the three parameters of a wetland?

  • Hydrology, vegetation, and wildlife
  • Soil, vegetation, and climate
  • Water quality, soil, and hydrology
  • Hydrology, soil, and vegetation (correct)
  • What is the minimum duration of flooding required to meet the technical standard of a wetland?

  • 10 consecutive days
  • 21 consecutive days
  • 14 or more consecutive days (correct)
  • 7 consecutive days
  • What is an example of a hydrologic input?

    <p>Precipitation</p> Signup and view all the answers

    What is a condition in which water from any source temporarily or permanently covers a land surface?

    <p>Inundation</p> Signup and view all the answers

    What is the primary characteristic of a soil layer in wetland delineation?

    <p>Virtually all pores between soil particles are filled with water</p> Signup and view all the answers

    What determines the properties of a mineral soil?

    <p>fine earth fraction percentage</p> Signup and view all the answers

    What is the term for the top soil layer?

    <p>A horizon</p> Signup and view all the answers

    What is the Munsell Color System used for?

    <p>To describe soil colors</p> Signup and view all the answers

    What is the term for the process of breaking down organic matter?

    <p>Decomposition</p> Signup and view all the answers

    What is the most decomposed stage of organic matter?

    <p>Sapric</p> Signup and view all the answers

    A wetland is an area that is neither inundated nor saturated by surface or ground water.

    <p>False</p> Signup and view all the answers

    Wetlands can include swamps, marshes, and bogs.

    <p>True</p> Signup and view all the answers

    The duration of inundation required to meet the technical standard of a wetland is less than 14 days.

    <p>False</p> Signup and view all the answers

    Evapotranspiration is an example of a hydrologic input.

    <p>False</p> Signup and view all the answers

    The water table must be more than 12 inches below the soil surface for an area to be considered a wetland.

    <p>False</p> Signup and view all the answers

    Inundation is a condition in which water from any source temporarily or permanently covers a land surface.

    <p>True</p> Signup and view all the answers

    In wetland delineation, a soil layer is saturated if at least half of the pores between soil particles are filled with water.

    <p>False</p> Signup and view all the answers

    Soil horizons are divided into two categories: organic and mineral.

    <p>True</p> Signup and view all the answers

    The top soil layer is referred to as the B horizon.

    <p>False</p> Signup and view all the answers

    The Munsell Color System is used to classify soil texture.

    <p>False</p> Signup and view all the answers

    Soil climate is a natural factor that affects soil development.

    <p>True</p> Signup and view all the answers

    The C horizon is the zone of mineral accumulation.

    <p>False</p> Signup and view all the answers

    Organic matter decomposition can be classified into three stages: fibric, hemic, and sapric.

    <p>True</p> Signup and view all the answers

    Wetland hydrology indicators can be classified into four groups: A, B, C, and D.

    <p>True</p> Signup and view all the answers

    Soil texture is determined by the relative proportions of sand, silt, and clay.

    <p>True</p> Signup and view all the answers

    Soil develops over time due to the interaction of climate, parent material, topography, and organisms.

    <p>True</p> Signup and view all the answers

    What is the duration of flooding required to meet the technical standard of a wetland?

    <p>14 or more consecutive days</p> Signup and view all the answers

    What are the three general types of hydrologic inputs in a wetland?

    <p>Precipitation, surface water inflow, and groundwater inflow</p> Signup and view all the answers

    What is the maximum depth of the water table below the soil surface for an area to be considered a wetland?

    <p>12 inches</p> Signup and view all the answers

    What is the primary characteristic of a soil layer that is saturated for wetland delineation purposes?

    <p>Virtually all pores between soil particles are filled with water</p> Signup and view all the answers

    Which of the following is not a natural factor that affects soil development?

    <p>Soil texture</p> Signup and view all the answers

    What is the term for the portion of a given soil having the dominant color?

    <p>Soil matrix</p> Signup and view all the answers

    What is the term for the relative purity or saturation of a color?

    <p>Chroma</p> Signup and view all the answers

    What is the characteristic of the fibric stage of organic matter decomposition?

    <p>Least decomposed</p> Signup and view all the answers

    What is the term for a vertical section of a soil through all its horizons and extending into the parent material?

    <p>Soil profile</p> Signup and view all the answers

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