uwg.param module

Geographic Parameters class.

class uwg.param.Param(dayBLHeight, nightBLHeight, refHeight, tempHeight, windHeight, circCoeff, dayThreshold, nightThreshold, treeFLat, grassFLat, vegAlbedo, vegStart, vegEnd, nightSetStart, nightSetEnd, windMin, wgmax, exCoeff, maxdx, g, cp, vk, r, rv, lv, pi, sigma, waterDens, lvtt, tt, estt, cl, cpv, b, cm, colburn)[source]

Bases: object

Geographic Parameters class.

Parameters:

  • dayBLHeight – Daytime mixing height [orig: 700] [m].

  • nightBLHeight – Nighttime boundary-layer height (orig: 80, Sing: 80, Bub-Cap: 50) [m]

  • refHeight – Reference height at which the vertical profile of potential temperature is vertical

  • tempHeight – Temperature measuremnt height at the weather station [m]

  • windHeight – Air velocity measuremnt height at the weather station [m]

  • circCoeff – Wind scaling coefficient

  • dayThreshold – Heat flux threshold for daytime conditions [W m-2]

  • nightThreshold – Heat flux threshold for nighttime conditions [W m-2]

  • treeFLat – Value between 0 and 1 for latent fraction of trees

  • grassFLat – Value between 0 and 1 for latent fraction of grass

  • vegAlbedo – Value between 0 and 1 for albedo of vegetation

  • vegStart – Value between 1 and 12 for begin month for vegetation participation

  • vegEnd – Value between 1 and 12 for end month for vegetation participation

  • nightSetStart – Begin hour for night thermal set point schedule

  • nightSetEnd – End hour for night thermal set point schedule

  • windMin – Minimum wind speed [m s-1]

  • wgmax – Maximum film water depth on horizontal surfaces [m]

  • exCoeff – Exchange velocity coefficient

  • maxdx – Maximum discretization length for the UBL model [m]

  • g – Gravity [m s-2]

  • cp – Heat capacity for air [J/kg K]

  • vk – Von karman constant [dimensionless]

  • r – Gas constant for dry air [J/kg K]

  • rv – Gas constant for water vapor [J/kg K]

  • lv – Latent heat of evaporation [J/kg]

  • pi – Pi

  • sigma – Stefan Boltzmann constant [W K-4 m-2]

  • waterDens – Water density [kg m-3]

  • lvtt – Undefined.

  • tt – Undefined.

  • estt – Undefined.

  • cl – Undefined.

  • cpv – Undefined.

  • b – Coefficients derived by Louis [1979]

  • cm – Undefined.

  • colburn – [Pr/Sc]^[2/3] for Colburn analogy in water evaporation

Properties:

  • dayBLHeight

  • nightBLHeight

  • refHeight

  • tempHeight

  • windHeight

  • circCoeff

  • dayThreshold

  • nightThreshold

  • treeFLat

  • grassFLat

  • vegAlbedo

  • vegStart

  • vegEnd

  • nightSetStart

  • nightSetEnd

  • windMin

  • wgmax

  • exCoeff

  • maxdx

  • g

  • cp

  • vk

  • r

  • rv

  • lv

  • pi

  • sigma

  • waterDens

  • lvtt

  • tt

  • estt

  • cl

  • cpv

  • b

  • cm

  • colburn