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Creates water balance table from HSPF models.

Project description

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hspf_water_balance - Quick Guide

The hspf_water_balance is a Python script to create a water balance from Hydrological Simulation Program - FORTRAN (HSPF) or by function calls within Python. Uses pandas (http://pandas.pydata.org/) or numpy (http://numpy.scipy.org) for any heavy lifting.

Requirements

  • tstoolbox - collected and installed by ‘pip’ or ‘easy_install’ command.

Installation

Should be as easy as running pip install hspf_water_balance or easy_install hspf_water_balance at any command line.

Usage - Command Line

Just run ‘hspf_water_balance –help’ to get a list of subcommands

usage: hspf_water_balance [-h]
{about,detailed,summary,mapping} …
about
Display version number and system information.
detailed
Create detailed water balance of each component.
summary
Create a summary table of precipitation, runoff, evaporation.
mapping
Create a table suitable for joining to a shapefile to map surface water balance components.

For the subcommands that output data it is printed to the screen and you can then redirect to a file.

Usage - API

You can use all of the command line subcommands as functions. The function signature is identical to the command line subcommands. The return is always a PANDAS DataFrame. Input can be a CSV or TAB separated file, or a PANDAS DataFrame and is supplied to the function via the ‘input_ts’ keyword.

Simply import hspf_water_balance:

from hspf_water_balance import hspf_water_balance

# Then you could call the functions
ntsd = hspf_water_balance.summary(method='linear', input_ts='tests/test_fill_01.csv')

# Once you have a PANDAS DataFrame you can use that as input to other
# hspf_water_balance functions.
ntsd = hspf_water_balance.aggregate(statistic='mean', agg_interval='daily', input_ts=ntsd)

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