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modflowpy / flopy

A Python package to create, run, and post-process MODFLOW-based models.
https://flopy.readthedocs.io
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flopy.modflow.mfbcf module #2268

Closed Menelik91630 closed 3 weeks ago

Menelik91630 commented 1 month ago

Hi, When I load an existing modflow model with "Modflow.load", sf1 and sf2 in the bcf package are respectively specific yield and storage coefficient, the online manual says the opposite (https://flopy.readthedocs.io/en/latest/source/flopy.modflow.mfbcf.html).

jlarsen-usgs commented 1 month ago

From the documentation:

""" sf1 (float or array of floats (nlay, nrow, ncol)) – specific storage (confined) or storage coefficient (unconfined), read when there is at least one transient stress period. (default is 1e-5)

sf2 (float or array of floats (nrow, ncol)) – specific yield, only read when laycon is 2 or 3 and there is at least one transient stress period (default is 0.15) """

sf1 is specific storage under confined conditions or storage coefficient (specific yield) if unconfined. This is consistent with the online documentation for modflow 2005. I think we could update the verbiage "storage coefficient" to specific yield to clarify.

Removed the bug label and resassigned this as a documentation issue.

Menelik91630 commented 1 month ago

Hi, thanks for the clarification. Sorry for the disturbance.

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From the documentation:

sf1 (float or array of floats (nlay, nrow, ncol)) - specific storage (confined) or storage coefficient (unconfined), read when there is at least one transient stress period. (default is 1e-5)

sf2 (float or array of floats (nrow, ncol)) - specific yield, only read when laycon is 2 or 3 and there is at least one transient stress period (default is 0.15)

sf1 is specific storage under confined conditions or storage coefficient (specific yield) if unconfined. This is consistent with the online documentation for modflow 2005. I think we could update the verbiage "storage coefficient" to specific yield to clarify.

Removed the bug label and resassigned this as a documentation issue.

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