GMS:MF6 STO Package

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MODFLOW 6
Models & Tools
GWF Model
GWT Model
Cell Properties Dialog
Zone File
Packages
Flow: GNC, HFB, NPF
GWF: BUY, CHD, CSUB,
DRN, EVT, GHB,
LAK, MAW, MVR,
OBS, RCH,RIV,
SFR, STO, UZF,
WEL
GWT: ADV, CNC, DSP
FMI, IC, IST, LKT,
MDT, MST, MVT,
MWT, OBS, SFT,
SRC,SSM, UZT
Other DIS, DISU, DISV,
IMS, OC, TDIS

The Storage (STO) Package dialog

The Storage (STO) Package dialog is accessed by double-clicking on the STO package under a MODFLOW 6 simulation in the Project Explorer. It contains the following sections and options:

  • Sections list – A list of sections that can be turned on or off:
    • COMMENTS – Turn on to make the COMMENTS section visible.
    • OPTIONS – Turn on to make the OPTIONS section visible.
    • GRIDDATA – Turn on to make the GRIDDATA section visible. This section is on by default.
  • COMMENTS section – Enter general alphanumeric comments. Comments entered here get written at the top of the file, preceded by a '#' symbol.
  • OPTIONS section – Contains the following:
    • SAVE_FLOWS – Save flows to budget file. Turn on to write cell-by-cell flow terms to the file specified with "BUDGET SAVE FILE" in Output Control.
    • STORAGECOEFFICIENT – Indicates that the SS array is read as storage coefficient and not as specific storage.
  • GRIDDATA section – Contains a number of tabs, including:
    • ICONVERT – Helps specify whether or not a cell is convertible for the storage calculation.
    • SS – Represents specific storage.
    • SY – Represents the specific field.
      • Layered – Turn on if there is more than one affected layer. Select the desired layer from the drop-down in order to edit the array (if "ARRAY" is selected from the drop-down).
      • Drop-down and Constant/Factor – The drop-down in the GRIDDATA section has two options. The option selected will change the nature of the textbox to its right.
      • If "CONSTANT" is selected from the drop-down, enter a decimal value in the Constant field to be applied to all cells in the layer(s).
      • If "ARRAY" is selected from the drop-down, a user-editable array appears in the table below the drop-down. Enter an integer Factor value to the right of the drop-down. The individual elements of the array are multiplied by the factor value after they are read.
      • Table – Can allow for the manual input of values for the STO Package if "ARRAY" is selected from the drop-down. Otherwise, it is grayed out.
      • Dataset to Array... – Click to open the Select Dataset dialog. Select the desired database(s) in this dialog.


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