Metadata-Version: 2.1
Name: pygeohydro
Version: 0.10.0
Summary: A portal to access hydrology and climatology databases in Python
Home-page: https://github.com/cheginit/pygeohydro
Author: Taher Chegini
Author-email: cheginit@gmail.com
License: MIT license
Project-URL: Issues, https://github.com/cheginit/pygeohydro/issues
Project-URL: CI, https://github.com/cheginit/pygeohydro/actions
Project-URL: Changelog, https://github.com/cheginit/pygeohydro/blob/master/HISTORY.rst
Platform: UNKNOWN
Classifier: Development Status :: 4 - Beta
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Classifier: Intended Audience :: Science/Research
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Classifier: Topic :: Scientific/Engineering
Requires-Python: >=3.6
Description-Content-Type: text/x-rst
Requires-Dist: aiodns
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Requires-Dist: folium
Requires-Dist: geopandas
Requires-Dist: matplotlib
Requires-Dist: nest-asyncio
Requires-Dist: netCDF4
Requires-Dist: networkx
Requires-Dist: openpyxl
Requires-Dist: orjson
Requires-Dist: owslib
Requires-Dist: pyarrow
Requires-Dist: pygeoogc
Requires-Dist: pygeoutils
Requires-Dist: pynhd
Requires-Dist: pyproj
Requires-Dist: rasterio
Requires-Dist: requests
Requires-Dist: setuptools
Requires-Dist: shapely
Requires-Dist: simplejson
Requires-Dist: xarray

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=========== ==================================================================== ============
Package     Description                                                          Status
=========== ==================================================================== ============
PyGeoHydro_ Access NWIS, NID, HCDN 2009, NLCD, and SSEBop databases              |pygeohydro|
PyGeoOGC_   Send queries to any ArcGIS RESTful-, WMS-, and WFS-based services    |pygeoogc|
PyGeoUtils_ Convert responses from PyGeoOGC's supported web services to datasets |pygeoutils|
PyNHD_      Navigate and subset NHDPlus (MR and HR) using web services           |pynhd|
Py3DEP_     Access topographic data through National Map's 3DEP web service      |py3dep|
PyDaymet_   Access Daymet for daily climate data both single pixel and gridded   |pydaymet|
=========== ==================================================================== ============

.. _PyGeoHydro: https://github.com/cheginit/pygeohydro
.. _PyGeoOGC: https://github.com/cheginit/pygeoogc
.. _PyGeoUtils: https://github.com/cheginit/pygeoutils
.. _PyNHD: https://github.com/cheginit/pynhd
.. _Py3DEP: https://github.com/cheginit/py3dep
.. _PyDaymet: https://github.com/cheginit/pydaymet

PyGeoHydro: A portal to hydrology and climatology data through Python
=====================================================================

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**NOTE**

This software stack was formerly named `hydrodata <https://pypi.org/project/hydrodata>`__.
Since a `R <https://github.com/mikejohnson51/HydroData>`__ package with the same name
already exists, we decided to renamed our project to
`pygeohydro <https://pypi.org/project/pygeohydro>`__.
Installing ``hydrodata`` installs ``pygeohydro`` from now on.

Features
--------

PyGeoHydro is part of a software stack for retrieving and processing hydrology and climatology
datasets. This package gives access to some of the public
web services that provide geospatial hydrology data. It has three main modules:
``pygeohydro``, ``plot``, and ``helpers``.

The ``pygeohydro`` module can pull data from the following web services:

* `NWIS <https://nwis.waterdata.usgs.gov/nwis>`__ for daily mean streamflow observations,
* `NID <https://nid.sec.usace.army.mil/ords/f?p=105:1::::::>`__ for accessing the National
  Inventory of Dams in the US,
* `HCDN 2009 <https://www2.usgs.gov/science/cite-view.php?cite=2932>`__ for identifying sites
  where human activity affects the natural flow of the watercourse,
* `NLCD 2016 <https://www.mrlc.gov/>`__ for land cover/land use, imperviousness, and canopy data,
* `SSEBop <https://earlywarning.usgs.gov/ssebop/modis/daily>`__ for daily actual
  evapotranspiration, for both single pixel and gridded data.

Also, it has two other functions:

* ``interactive_map``: Interactive map for exploring NWIS stations within a bounding box.
* ``cover_statistics``: Categorical statistics of land use/land cover data.

The ``plot`` module includes two main functions:

* ``signatures``: Hydrologic signature graphs.
* ``cover_legends``: Official NLCD land cover legends for plotting a land cover dataset.

The ``helpers`` module includes:

* ``nlcd_helper``: A roughness coefficients lookup table for each land cover type which is
  useful for overland flow routing among other applications.
* ``nwis_error``: A dataframe for finding information about NWIS requests' errors.

Moreover, requests for additional databases and functionalities can be submitted via
`issue tracker <https://github.com/cheginit/pygeohydro/issues>`__.

You can find some example notebooks `here <https://github.com/cheginit/geohydrohub-examples>`__.

You can also try using PyGeoHydro without installing
it on you system by clicking on the binder badge below the PyGeoHydro banner. A Jupyter notebook
instance with the stack pre-installed will be launched in your web browser
and you can start coding!

Please note that since this project is in early development stages, while the provided
functionalities should be stable, changes in APIs are possible in new releases. But we
appreciate it if you give this project a try and provide feedback. Contributions are most welcome.

Moreover, requests for additional functionalities can be submitted via
`issue tracker <https://github.com/cheginit/pygeohydro/issues>`__.

Installation
------------

You can install PyGeoHydro using ``pip`` after installing ``libgdal`` on your system
(for example, in Ubuntu run ``sudo apt install libgdal-dev``):

.. code-block:: console

    $ pip install pygeohydro

Alternatively, PyGeoHydro can be installed from the ``conda-forge`` repository
using `Conda <https://docs.conda.io/en/latest/>`__:

.. code-block:: console

    $ conda install -c conda-forge pygeohydro

Quick start
-----------

We can explore the available NWIS stations within a bounding box using ``interactive_map``
function. It returns an interactive map and by clicking on an station some of the most
important properties of stations are shown.

.. code-block:: python

    import pygeohydro as gh

    bbox = (-69.5, 45, -69, 45.5)
    gh.interactive_map(bbox)

.. image:: https://raw.githubusercontent.com/cheginit/geohydrohub-examples/main/notebooks/_static/interactive_map.png
    :target: https://github.com/cheginit/geohydrohub-examples/blob/main/notebooks/nwis.ipynb
    :width: 400
    :alt: Interactive Map

We can select all the stations within this boundary box that have daily mean streamflow data from
2000-01-01 to 2010-12-31:

.. code-block:: python

    from pygeohydro import NWIS

    nwis = NWIS()
    info_box = nwis.get_info(nwis.query_bybox(bbox))
    dates = ("2000-01-01", "2010-12-31")
    stations = info_box[
        (info_box.begin_date <= dates[0]) & (info_box.end_date >= dates[1])
    ].site_no.tolist()

Then, we can get the streamflow data in mm/day (by default the data are in cms) and plot them:

.. code-block:: python

    from pygeohydro import plot

    qobs = nwis.get_streamflow(stations, dates, mmd=True)
    plot.signatures(qobs)

Moreover, we can get land use/land cove data using ``nlcd`` function, percentages of
land cover types using ``cover_statistics``, and actual ET with ``ssebopeta_bygeom``:

.. code-block:: python

    from pynhd import NLDI

    geometry = NLDI().get_basins("01031500").geometry[0]
    lulc = gh.nlcd(
        geometry, 100, years={"impervious": None, "cover": 2016, "canopy": None}
    )
    stats = gh.cover_statistics(lulc.cover)
    eta = gh.ssebopeta_bygeom(geometry, dates=("2005-10-01", "2005-10-05"))

.. image:: https://raw.githubusercontent.com/cheginit/geohydrohub-examples/main/notebooks/_static/lulc.png
    :target: https://github.com/cheginit/geohydrohub-examples/blob/main/notebooks/nlcd.ipynb
    :width: 200
    :alt: Land Use/Land Cover

.. image:: https://raw.githubusercontent.com/cheginit/geohydrohub-examples/main/notebooks/_static/eta.png
    :target: https://github.com/cheginit/geohydrohub-examples/blob/main/notebooks/ssebop.ipynb
    :width: 200
    :alt: Actual ET

Additionally, we can pull all the US dams data using ``get_nid`` and ``get_nid_codes``:

.. code-block:: python

    nid = gh.get_nid()
    codes = gh.get_nid_codes()

.. image:: https://raw.githubusercontent.com/cheginit/geohydrohub-examples/main/notebooks/_static/dams.png
    :target: https://github.com/cheginit/geohydrohub-examples/blob/main/notebooks/nid.ipynb
    :width: 400
    :alt: Dams

Contributing
------------

PyGeoHydro offers some limited analysis tools. It could be more useful for
the watershed modeling community to integrate more data exploratory and analysis
capabilities to the package. Additionally, adding support for more databases such
as water quality, phenology, and water level, are very welcome. If you are interested
please get in touch. You can find more information about contributing to PyGeoHydro at our
`Contributing <https://pygeohydro.readthedocs.io/en/latest/contributing.html>`__ webpage.

Credits
-------

This package was created based on the `audreyr/cookiecutter-pypackage`__ project template.

__ https://github.com/audreyr/cookiecutter-pypackage


