Index

Rundeck: E6F40

Created: Fri May 17 03:30:27 EDT 2024

l_gcm

Module:

File: ATURB.f

Summary: calculates the turbulent length scale (lscale, in meters). Within the PBL, it is according to Nakanishi(2001); above the PBL, we generalized and employed a formula by Holtslag and Boville (1993).
Author : Ye Cheng/G. Hartke
Version:

---

Declaration:

subroutine l_gcm(ze, dbl, lmonin, ustar, qturb, an2, lscale, n)

Variables:

ze : real*8, dimension(n+1), intent(in)

height (meters) of layer edge

dbl : real*8, intent(in)

pbl depth (meters)

lscale : real*8, dimension(n), intent(out)

turbulent length scale

n : integer, intent(in)

number of layers

teeny : used from constant

by3 : used from constant

kappa : used from socpbl

qturb : real*8, dimension(n), intent(in)

an2 : real*8, dimension(n), intent(in)

lmonin : real*8, intent(in)

ustar : real*8, intent(in)

fac : real*8, parameter

Initial Value = 0.3d0

l0min : real*8, parameter

Initial Value = 30.d0

j : integer

loop variable

z : real*8

zeta : real*8

kz : real*8

l0 : real*8

ls : real*8

lb : real*8

l1 : real*8

an : real*8

qty : real*8