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Lernmaterialien für Hydro Modelling an der TU München

Greife auf kostenlose Karteikarten, Zusammenfassungen, Übungsaufgaben und Altklausuren für deinen Hydro Modelling Kurs an der TU München zu.

TESTE DEIN WISSEN

how is economic growth and water use associated?

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TESTE DEIN WISSEN

there is a correlation between economic growth and the damming of rivers (and fertiliser consumption). 

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TESTE DEIN WISSEN

what is the difference between water consumption and water extraction?

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TESTE DEIN WISSEN

water consumption = water that has

been permanently removed from its surface or groundwater source because it has evaporated, transpired, been consumed by people or livestock or otherwise been removed from the local environment


water withdrawal = quantities of water diverted from a source

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TESTE DEIN WISSEN

What are the driving forces on water resources?

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TESTE DEIN WISSEN

population growth: higher demand + more waste water and pollution


urbanisation: water delivery and waste water treatment is more difficult


economic growth: in developing countries --> higher demand


globalisation of trade: reallocation of production to "labor-cheap" areas, where water resources are used less carefully


climate variability: more intense floods and droughts --> more uncertainty about water cycle regimes


land use change: Short-term impacts in the peak rate of runoff, long-term impacts in the average annual runoff

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TESTE DEIN WISSEN

what is hydrological modelling?

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TESTE DEIN WISSEN

to separate the single phases of the runoff-continuum and quantify them temporally and spatially. 


It has 3 processes:

  1. runoff formation/generation
  2. runoff concentration
  3. flood routing


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TESTE DEIN WISSEN

Name the required information for hydrological modelling

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TESTE DEIN WISSEN

hydrological and meteorological data:

  • precipitation 
  • evapotranspiration
  • runoff


Area-speficic parameters:

  • of the surface
  • of the water-network


Variables:

  • retention parameter (runoff generation)
  • parameter of runoff concentration or groundwater

 

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TESTE DEIN WISSEN

What are the steps for model generation?

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TESTE DEIN WISSEN

- Preprocessing of spatial and meteorological data


- model construction = mathematical formulation of a concept


- calibration


- validation


- simulation and postprocessing

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TESTE DEIN WISSEN

What is a watershed?

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TESTE DEIN WISSEN

(catchment, river basin, drainage basin)


=  area of land from which water flows towards a river


  • common spatial unit for hydrology
  • delineate in topographic map or digital elevation model (DEM)
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TESTE DEIN WISSEN

What is runoff?

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TESTE DEIN WISSEN

= overland flow


= movement of water to a channelized stream, after it has reached the ground as precipitation

Lösung ausblenden
TESTE DEIN WISSEN

what is streamflow?

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TESTE DEIN WISSEN

= river flow


= water that reaches as stream and moves towards the oceans in a channelized form

Lösung ausblenden
TESTE DEIN WISSEN

what is Discharge?

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TESTE DEIN WISSEN

= streamflow in as volume in a defined period --> m^3/s 

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TESTE DEIN WISSEN

What is a hydrograph?

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TESTE DEIN WISSEN

A continuous record of streamflow

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TESTE DEIN WISSEN

Name the effects of the anthropocene era on our environment

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TESTE DEIN WISSEN
  • in the last 150 years, 40% of all our oil reserves has been exhausted
  • 50% of the land has been transformed by men
  •  more nitrogen
  • more than half of accessible freshwater is used for human purposes
  • quick depletion of groundwater
  • dramatic change on coastal and marine hapitats
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  • 524352 Karteikarten
  • 11340 Studierende
  • 499 Lernmaterialien

Beispielhafte Karteikarten für deinen Hydro Modelling Kurs an der TU München - von Kommilitonen auf StudySmarter erstellt!

Q:

how is economic growth and water use associated?

A:

there is a correlation between economic growth and the damming of rivers (and fertiliser consumption). 

Q:

what is the difference between water consumption and water extraction?

A:

water consumption = water that has

been permanently removed from its surface or groundwater source because it has evaporated, transpired, been consumed by people or livestock or otherwise been removed from the local environment


water withdrawal = quantities of water diverted from a source

Q:

What are the driving forces on water resources?

A:

population growth: higher demand + more waste water and pollution


urbanisation: water delivery and waste water treatment is more difficult


economic growth: in developing countries --> higher demand


globalisation of trade: reallocation of production to "labor-cheap" areas, where water resources are used less carefully


climate variability: more intense floods and droughts --> more uncertainty about water cycle regimes


land use change: Short-term impacts in the peak rate of runoff, long-term impacts in the average annual runoff

Q:

what is hydrological modelling?

A:

to separate the single phases of the runoff-continuum and quantify them temporally and spatially. 


It has 3 processes:

  1. runoff formation/generation
  2. runoff concentration
  3. flood routing


Q:

Name the required information for hydrological modelling

A:

hydrological and meteorological data:

  • precipitation 
  • evapotranspiration
  • runoff


Area-speficic parameters:

  • of the surface
  • of the water-network


Variables:

  • retention parameter (runoff generation)
  • parameter of runoff concentration or groundwater

 

Mehr Karteikarten anzeigen
Q:

What are the steps for model generation?

A:

- Preprocessing of spatial and meteorological data


- model construction = mathematical formulation of a concept


- calibration


- validation


- simulation and postprocessing

Q:

What is a watershed?

A:

(catchment, river basin, drainage basin)


=  area of land from which water flows towards a river


  • common spatial unit for hydrology
  • delineate in topographic map or digital elevation model (DEM)
Q:

What is runoff?

A:

= overland flow


= movement of water to a channelized stream, after it has reached the ground as precipitation

Q:

what is streamflow?

A:

= river flow


= water that reaches as stream and moves towards the oceans in a channelized form

Q:

what is Discharge?

A:

= streamflow in as volume in a defined period --> m^3/s 

Q:

What is a hydrograph?

A:

A continuous record of streamflow

Q:

Name the effects of the anthropocene era on our environment

A:
  • in the last 150 years, 40% of all our oil reserves has been exhausted
  • 50% of the land has been transformed by men
  •  more nitrogen
  • more than half of accessible freshwater is used for human purposes
  • quick depletion of groundwater
  • dramatic change on coastal and marine hapitats
Hydro Modelling

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