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    Concepts of Hydrology

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    marlo ignacio
    This document discusses key concepts in hydrology including the hydrologic cycle, surface water hydrology, groundwater hydrology, and the history of hydrology. It also lists common units of measurement used in hydrology such as meters per second for stream flows and inches or centimeters for rainfall depths. Additionally, the hydrologic equation is presented which relates various hydrologic processes such as precipitation, runoff, infiltration and evapotranspiration to storage in a lake.

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    Concepts of Hydrology

    Uploaded by

    marlo ignacio
    16 views7 pages
    This document discusses key concepts in hydrology including the hydrologic cycle, surface water hydrology, groundwater hydrology, and the history of hydrology. It also lists common units of measurement used in hydrology such as meters per second for stream flows and inches or centimeters for rainfall depths. Additionally, the hydrologic equation is presented which relates various hydrologic processes such as precipitation, runoff, infiltration and evapotranspiration to storage in a lake.

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    Concept of hydrology

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    This document discusses key concepts in hydrology including the hydrologic cycle, surface water hydrology, groundwater hydrology, and the history of hydrology. It also lists common units of measurement used in hydrology such as meters per second for stream flows and inches or centimeters for rainfall depths. Additionally, the hydrologic equation is presented which relates various hydrologic processes such as precipitation, runoff, infiltration and evapotranspiration to storage in a lake.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    16 views7 pages

    Concepts of Hydrology

    Uploaded by

    marlo ignacio
    This document discusses key concepts in hydrology including the hydrologic cycle, surface water hydrology, groundwater hydrology, and the history of hydrology. It also lists common units of measurement used in hydrology such as meters per second for stream flows and inches or centimeters for rainfall depths. Additionally, the hydrologic equation is presented which relates various hydrologic processes such as precipitation, runoff, infiltration and evapotranspiration to storage in a lake.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 7

    CONCEPTS OF HYDROLOGY

    Group 1
    BSCE4-A

    HYDROLOGY

    HYDROLOGIC CYCLE
    Surface Water Hydrology
    GROUNDWATER HYDROLOGY

    The subdivision of the science of hydrology that deals with the occurrence,
    movement, and quality of water beneath the earth’s surface.
    Interdisciplinary scope involves physical, chemical, biological, and mathematical
    sciences.
    Contrary to impressions of rapid movement observed for streams in caves, the
    movement of most ground water is exceedingly slow.

    HISTORY OF HYDROLOGY

    HISTORY OF HYDROLOGY
    APPLICATIONS IN ENGINEERING
    SOURCES OF DATA
    COMMON UNITS OF MEASUREMENT

     Stream and river flows -m3/s, cfs, sec-ft


     Groundwater and water supply flows - gpm, gph, gpd, mgd
     Flows in agriculture and water storage-acre-ft/unit time, acre-in/hr, in or cm
    depth/unit time
     Volume- gallons, cubic ft or m, acre-ft, second-foot-day, in or mm or cm depth
     Rainfall depths - inches, centimeters, millimeters
     Rainfall rates - inches, centimeters, millimeters per hour
     Evaporation, transpiration, infiltration rates - in or cm depth per unit time

    HYDROLOGIC EQUATION

    EXAMPLE:

    In lake,
    P+R+B–F–E-T=S
    P- precipitation
    R- rainfall excess or runoff
    B- subsurface flow
    F- infiltration
    E- evaporation
    T- transpiration
    S- storage

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