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Hydrology

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TR-20 Runoff Generation

Can ID incorporate this methodology? MA department of Env Protection will be requiring this for their calculations.
Jess Ewing 12 months ago in InfoDrainage / Hydrology 1 Gathering support

Variable baseflow

(Could also be considered hydraulics) On large scale projects where we may have limited information and funding, we assume baseflow values through an upstream point inflow. It would be beneficial to have a variable baseflow input per design storm....
Jess Ewing 12 months ago in InfoDrainage / Hydrology 1 Gathering support

Adding interception and evaporation losses to Permeable Pavements, Bioretention systems etc.

There is currently no option to consider depression storage, interception and evaporation losses while modelling SuDS components such as Permeable Pavements, Bioretention systems etc in InfoDrainage. The option was available in MicroDrainage and i...
Dilraj KT over 1 year ago in InfoDrainage / Hydrology 1 Gathering support

ILSAX Runoff Method

ILSAX is a public domain MS-DOS program developed from the South African ILLUDAS-SA program, which was itself a development of the American ILLUDAS program and the British Transport and Road Research Method (known as the TRRL or RRL model). It was...
matthew.piggott 8 months ago in InfoDrainage / Hydrology 1 Gathering support

Import method specific Inflow parameters

With the various hydrology methods requiring additional parameters, it would be helpful to allow a feature to import these as GIS attributes. As methods such as SCS are widely used in the United States and require initial abstraction and curve num...
Sam Redway 12 months ago in InfoDrainage / Hydrology 1 Gathering support