CASC2D-SED GLOBAL VARIABLES DESCRIPTION
|
Variable Name |
Description and units |
|
amaxcdepth |
Simulation maximum channel water depth [m] (for any cell, at any time step) |
|
amaxdepth |
Simulation maximum overland water depth [m] (for any cell, at any time step) |
|
amaxFluxCoutCh |
Simulation maximum sediment concentration flux [m3/s/m3/s] in channel cells (for any channel cell, at any time step) |
|
amaxFluxCoutOv |
Simulation maximum sediment concentration flux [m3/s/m3/s] in overland cells (for any overland cell, at any time step) |
|
amaxnetv |
Simulation maximum net erosion/deposition [m3] (for any cell, at any time step) |
|
amaxrain |
Simulation maximum rainfall intensity [m/s] (for any cell, at any time step) |
|
amaxSusCch |
Simulation maximum sediment concentration [m3] in channel cells (for any cell, at any time step) |
|
amaxSusCh |
Simulation maximum suspended sediment volume [m3] in channel cells (for any cell, at any time step) |
|
amaxSusCov |
Simulation maximum sediment concentration [m3] in overland cells (for any cell, at any time step) |
|
amaxSusOv |
Simulation maximum suspended sediment volume [m3] in overland cells (for any cell, at any time step) |
|
amaxvinf |
Simulation maximum infiltrated depth [m] (for any cell, at any time step) |
|
amincdepth |
Simulation minimum channel water depth [m] (for any cell, at any time step) |
|
amindepth |
Simulation minimum overland water depth [m] (for any cell, at any time step) |
|
aminnetv |
Simulation minimum net erosion/deposition [m3] (for any cell, at any time step) |
|
aminrain |
Simulation minimum rainfall intensity [m/s] (for any cell, at any time step) |
|
aminvinf |
Simulation minimum infiltrated depth [m] (for any cell, at any time step) |
|
areaQ[j] |
Drainage area [hectares] of internal gage J (J = 1…NDIS) |
|
areaQs[j] |
Drainage area [hectares] of internal sediment gage J (J = 1…NSED) |
|
cfactor[j] |
USLE cover factor corresponding to the J land use class |
|
chancheck |
Channel routing option (1 routing, 0 no routing) |
|
chn_file |
File containing the channel characteristics data for each link and node. |
|
chp[l][n][k] |
Channel link L, node N parameter K value L=1..NCHN; J=1…NCHAN_NODE[L] K= 1:channel type, 2: width, 3:depth, 4:side slope, 5:Manning's 'n', 6:sinuosity |
|
clayfluxname |
File containing the total clay flux out of (j,k) [m3/s] |
|
clayMFACname |
File containing the max. flux-averaged concentration of clay out of (j,k) [m3/s / m3/s] |
|
cname |
File containing the total suspended sediment concentration at (j,k) [m3/m3] |
|
control_file |
File containing the simulation controls |
|
crain |
Uniform rainfall intensity (IRAIN=0) [m/h](entered as cm/h) |
|
dch |
Depth of the channel [m] |
|
dchout |
Depth of the outlet channel [m] |
|
dep_ch[l] |
Size fraction L total deposited sediment volume in the channel cells L = 1: sand; 2: silt; 3: clay |
|
dep_ov[l] |
Size fraction L total deposited sediment volume in the overland cells L = 1: sand; 2: silt; 3: clay |
|
dis_out_file |
File containing the hydrograph at outlet and, if selected, at internal locations [m3/s] |
|
dname |
File containing the depth of water (channels and overland) at (j,k) [m] |
|
dqch[j][k] |
Channel flow rate [m3/s] at cell (j,k) |
|
dqov[j][k] |
Overland flow rate [m3/s] at cell (j,k) at each time step |
|
ds[SizeFr] |
Average sediment fraction diameter (SizeFr = 1: sand; 2: silt; 3: clay) |
|
dt |
Computational time step [s] |
|
e[j][k] |
Elevation at cell (j,k) [m] |
|
elapsedTime |
Time elapsed since the beginning of the simulation [seconds] |
|
elconv |
Elevation conversion factor (from input data units to meters) |
|
elev_file |
File containing the grid elevation values at (j,k) [m] |
|
erosdepname |
File containing the total net erosion at (j,k) [mm] |
|
final_ch_vol |
Final water volume [m3] in channel cells |
|
final_ov_vol |
Final water volume [m3] in overland cells |
|
h[j][k] |
Overland depth [m] |
|
hch[j][k] |
Channel water depth at channel cell (j,k) [m] |
|
ichn[l][j][k] |
Channel L element addresses L=1..NCHN; J = 1..MAXCHN; K = 1:node row and; 2:column location; |
|
icount |
Counter. If ICOUNT = NPRN, flow discharge and sediment discharge are written and counter is set back to 1. ICOUNT is incremented by 1 at each time step. |
|
ifcount |
Counter that is used as ASCII grid file extension and is incremented by 1 every time the series grids are writen (i.e. IPCOUNT = NPLT) |
|
iman[j][k] |
Manning's roughness coefficient at cell (j,k) |
|
iman_file |
File containing the land use / land cover index at (j,k) |
|
indexsdep |
Storage depth index (1: storage depth; ≠ 1: no storage depth) |
|
indexdis |
Internal discharge index (1:hydrograph at internal locations is written, ≠ 1:not written) |
|
indexeros |
Erosion option index (1: erosion; ≠ 1: erosion) |
|
indexinf |
Infiltration index (1: infiltration; ≠ 1: no infiltration) |
|
indexsed |
Internal sedigraph index (1: sedigraph at internal locations is written, ≠ 1: not written) |
|
init_ch_vol |
Initial water volume [m3] in channel cells (= 0 if INDEXDEP = 0) |
|
init_ov_vol |
Initial water volume [m3] in overland cells (= 0 if INDEXDEP = 0) |
|
ipcount |
Counter. If IPCOUNT = NPLT then time series grids are written and counter set back to 1. IPCOUNT is incremented by 1 at each time step. |
|
iq[j][k] |
Location of internal gage J (only if INDEXDIS = 1)J = 1 ..NDIS; K = 1:gage loc. column; K = 2:gage loc. row |
|
irain |
Rainfall index (1 for raingages and 0 for uniform rain) |
|
ised[j][k] |
Location of internal sediment gage J (J = 1..NSED) K = 1:sed.gage column; K = 2:sed. gage row |
|
ishp[j][k] |
Watershed mask value at cell (j,k)( 1: grid cell is within the watershed;0: grid cell is outside of the watershed;2: channel cell) |
|
isoil[j][k] |
Soil type index at cell (j,k) |
|
jout |
Row number for the outlet cell |
|
kout |
Column number for the outlet cell |
|
link[i][j] |
Link number at channel cell [i][j] |
|
link_file |
File containing the link number at (j,k) |
|
m |
ASCII grids number of rows |
|
MaxFluxCout[j][k] |
Maximum flux average concentration out of cell [j][k] (all size fraction) |
|
maxlink |
Total number of channel links |
|
MFAC[l][j][k] |
Fraction L maximum flux average concentration out of cell [j][k] L = 1: sand; 2: silt; 3: clay |
|
n |
ASCII grids number of columns |
|
ncells |
Number of cells defining the watershed |
|
nchan_link |
Link number |
|
nchan_node[i] |
Number of nodes of link i |
|
ndis |
Number of locations where discharge is written |
|
niter |
Total number of time intervals for the runoff simulation |
|
nitrn |
Total number of time intervals for the rainfall |
|
nman |
Number of land use classes found in the overland plane |
|
nodatavalue |
No data value in the grid maps (integer type) |
|
node[i][j] |
Node number at channel cell [i][j] |
|
node_file |
File containing the node number at (j,k) |
|
nplt |
Number of time steps to update graphics display |
|
nprn |
Number of time steps to write the output |
|
nread |
Ratio between raingage rainfall time step and DT |
|
nrg |
Number of rainfall gages (IRAIN =1) |
|
nsed |
Number of locations where sediment discharge is written |
|
nsoil |
Number of soil types found in the overland plane |
|
pfactor[i] |
Soil conservation practice factor for land use i |
|
pinf[j][k] |
Infiltration parameter K for soil type J K = 1:Hydraulic Conductivity; 2: capillary suction head; 3: soil moisture deficit; 4: percent sand; 5: percent silt; 6: percent clay; 7: soil erodibility |
|
pman[j] |
Manning's roughness coefficient corresponding to J land use class |
|
q[j] |
Outflow value at each user defined gage site J [m3/s] |
|
qout |
Flow discharge [m3/s] at the outlet cell at every time step ( = qoutov + qoutch) |
|
qoutov |
Flow discharge [m3/s] at the outlet cell at every time step coming only from the overland |
|
qovs[l][j][k] |
Volume [m3] of suspended size fraction L in cell (J,K)L = 1: sand; 2: silt; 3: clay |
|
qpeak |
Peak flow discharge at outlet (m3/s) |
|
qs |
Sediment transport capacity [m3] from (jfrom,kfrom) to (jto,kto). Obtained by integrating the unit sediment discharge calculated with the Kilinc eq. over time, DT, and cell width, W. |
|
qsed[j] |
Sediment outflow value at each user defined gage site J [m3/s] |
|
qss[jfrom][kfrom] |
Total sediment transport capacity [m3] leaving cell (jfrom,kfrom) at each time step |
|
rain_file |
File containing the precipitation data if gages are present [in/hr] |
|
raincount |
Counter. When RAINCOUNT = NREAD, rainfall rates at gages will be read from the rainfall file. |
|
ret[j][k] |
Interception depth [m] at cell (j,k) |
|
retention[j] |
Interception depth [mm] of landuse J (J = 1… NMAN) |
|
rint |
Rainfall intensity [m/s] (after conversion from input data) |
|
rmanout |
Manning's 'n' for the outlet channel |
|
rname |
File containing the rainfall rates at each cell in the watershed [in/hr] |
|
rrg[l] |
Rainfall intensities at recorded gage L (L=1...NRG) |
|
rtot[j][k] |
Total rainfall depth [m] at cell (j,k) |
|
sandfluxname |
File containing the total sand flux out of each cell in the watershed [m3/s] |
|
sandMFACname |
File containing the max. flux-averaged concentration of sand out of each cell in the watershed [m3/s / m3/s] |
|
sdep[j][k] |
Storage depth [m] at cell (j,k) |
|
sdep_file |
File containing the storage deposition values at each cell in the watershed [m] |
|
sed_out[l] |
Size fraction L volume leaving the watershed L = 1: sand; 2: silt; 3: clay |
|
sed_out_file |
File containing the sedigraph at outlet and, if selected, at internal locations [m3/s] |
|
SedFluxOut[l][j][k] |
Fraction L sediment flux out of cell [j][k] L = 1: sand; 2: silt; 3: clay |
|
sfactor |
Sinuosity factor of the channel |
|
sfactorout |
Outlet channel sinuosity factor |
|
shap_file |
File containing the watershed and channel network definition at each cell in the watershed |
|
siltfluxname |
File containing the total silt flux out of each cell in the watershed [m3/s] |
|
siltMFACname |
File containing the max. flux-averaged concentration of silt out of each cell in the watershed [m3/s / m3/s] |
|
soil_file |
File containing the soil type index at each cell in the watershed |
|
sout |
Outlet channel bed slope [m/m] |
|
sovout |
Slope of the outlet cell [m/m] |
|
ssoil[l][j][k] |
Volume of size fraction L eroded from soil at cell (j,k) L = 1: sand; 2: silt; 3: clay |
|
startTime |
Simulation starting time |
|
Summ_file |
File containing the simulation summary file |
|
sus_ch[l] |
Size fraction L total suspended sediment volume in the channel cells L = 1: sand; 2: silt; 3: clay |
|
sus_ov[l] |
Size fraction L total suspended sediment volume in the overland cells L = 1: sand; 2: silt; 3: clay |
|
SusC[j][k] |
Suspended sediment concentration at cell [j][k] |
|
susname |
File containing the total volume of suspended sediment at each cell in the watershed [mm] |
|
tot_ch[l] |
Fraction L total eroded material (suspension + deposited) remaining in the channel cells = ∑∑ QOVS[L][J][K] + VOLS[L][J][K] ) if (j,k) is a channel cell L= 1: sand; 2:silt; 3: clay |
|
tot_eroded |
Total soil eroded in the basin [m3] during the simulation time = TOTAL_SAND_E + TOTAL_SILT_E + TOTAL_CLAY_E |
|
tot_out |
Total sediment out of the watershed = TOT_OUT + QS*QPSAND + QS*QPSILT + QS*QPCLAY; |
|
tot_ov[l] |
Total eroded material remaining on the overland cells at the end of the simulation = ∑∑QOVS[L][J][K] + VOLS[L][J][K]) if (j,k) is an overland cell L= 1: sand; 2:silt; 3: clay |
|
totalfluxname |
File containing the total sediment flux out of each cell in the watershed [m3/s] |
|
totalMFACname |
File containing the max. flux-averaged concentration of sediment out of each cell in the watershed [m3/s / m3/s] |
|
totnetv[j][k] |
Total net volume of soil scour/deposited at cell (j,k) |
|
totsus[j][k] |
Total suspended sediment volume at cell (j,k) = ∑∑ QOVS[SizeFr][J][K]; for L= 1: sand; 2:silt; 3: clay |
|
tpeak |
Time to peak flow at the outlet [min] |
|
unitsQ |
Discharge units index: 1:m3/s; 2: cfs; 3: mm/h |
|
unitsQs |
Sediment discharge units index: 1: m3/s; 2: tons/ha/day |
|
vin |
Total volume of rainfall minus interception [m3] |
|
vinf[j][k] |
Infiltration depth at cell (j,k) [m] |
|
vinfname |
File containing the volume of infiltrated water at each cell in the watershed [m] |
|
vinftot |
Total volume of infiltrated water [m3] |
|
vols[l][j][k] |
Deposited volume of size fraction L at cell (J,K) L = 1: sand; 2: silt; 3: clay |
|
vout |
Total sediment outflow volume (m3) at outlet (= qout * dt) |
|
w |
Grid Cell size [m] |
|
wch |
Width of the channel [m] |
|
wchout |
Width of the outlet channel [m] |
|
ws[l] |
Fall velocity corresponding to medium grain size of fraction L at 20 degrees C L = 1: sand; 2: silt; 3: clay |
|
xllcorner |
Lower left corner X-coordinate of the grid maps |
|
xrg[j] |
X-coordinate of rainfall gage J (J = 1...NRG) (only if IRAIN = 1 and ICOORD = 1) |
|
yllcorner |
Lower left corner Y-coordinate of the grid maps |
|
yrg[j] |
Y-coordinate of rainfall gage J (J = 1...NRG)(only if IRAIN = 1 and ICOORD = 1) |