Group canopy_dx

Grid cell distance calculations using Haversine formula.

Public Functions

Type	Name
subroutine	canopy_dxcalc_mod::canopy_calcdx (DXOPT DXOPT, DXSET DXSET, NLAT NLAT, NLON NLON, LAT LAT, LON LON, DX DX) Calculate grid cell distances for 1D arrays.
subroutine	canopy_dxcalc_mod::canopy_calcdx_2d (DXOPT DXOPT, DXSET DXSET, NLAT NLAT, NLON NLON, LAT LAT, LON LON, DX DX) Calculate grid cell distances for 2D arrays.

Public Functions Documentation

function canopy_calcdx

Calculate grid cell distances for 1D arrays.

subroutine canopy_dxcalc_mod::canopy_calcdx (
    DXOPT DXOPT,
    DXSET DXSET,
    NLAT NLAT,
    NLON NLON,
    LAT LAT,
    LON LON,
    DX DX
)

Computes great circle distance or the orthodromic distance using Haversine formula for 1D latitude/longitude arrays

Parameters:

DXOPT User DX calculation option (0=calculate, 1=use set value)
DXSET User DX set value if cannot calculate (m)
NLAT Number of latitude grid cells/points
NLON Number of longitude grid cells/points
LAT Model latitudes array (degrees)
LON Model longitudes array (degrees)
DX Distance between two points (m)

Author:

P. C. Campbell

Date:

Oct 2022

Note:

Uses Haversine formula for great circle distance calculations

function canopy_calcdx_2d

Calculate grid cell distances for 2D arrays.

subroutine canopy_dxcalc_mod::canopy_calcdx_2d (
    DXOPT DXOPT,
    DXSET DXSET,
    NLAT NLAT,
    NLON NLON,
    LAT LAT,
    LON LON,
    DX DX
)

Computes great circle distance or the orthodromic distance using Haversine formula for 2D latitude/longitude arrays