Compute the number of expected coordinates for river mesh. Parameters ---------- river : River River network to compute coordinat

Compute the number of expected elements for river mesh. Parameters ---------- river : River River network to compute elements for

Function to calculate the integral in Eq. 4 of Savoy et al. (2021) Parameters ---------- angle : float so

Calculates solar geometry for use in the SHADE2 model Parameters ---------- lat : float Latitude [decimal degrees

Cut and snap reach at interior HUC boundary crossings. Helper function for cutAndSnapCrossings(). Modifies no geometry, only topology. P

Detect the calendar type from native start/end dates. Returns ------- str Calendar type ('noleap', 'stand

Find point at a distance from start on the linestring from start to end. It doesn't matter which coordinate system start is given in, as long

Download a NetCDF file covering the bounds. Parameters ---------- var : str Name the variable, see table in the cla

Downloads the data for the provided request.

A default download implementation.

Download a file if it doesn't exist. Parameters ---------- base_variable : str Base variable name

Queries REST API for parameters by MUKEY.

Extract longitude, latitude, and elevation from Basin3D feature. Parameters ---------- feature : MonitoringFeature

Implementation of abstract method to fetch AORC data. Parameters ---------- request : ManagerDataset.Request Requ

Managers should overload this method to get the data. Parameters ---------- Request Dataset request storing the i

For a given m2 mesh and id of river-corridor element, returns longitudinal edges of the river-corridor element.

Find the polygon that contains the largest portion of linestring. Parameters ---------- hucs : SplitHUCs Split HUCs object contai

Searches in hint to find shp.

Download and aggregate properties for a given set of mukeys, storing raw data in filename.

Fetch all shapes in a dataset. Returns ------- gpd.GeoDataFrame Raw GeoDataFrame with native column names and CRS

Fetch shapes for the given geometry. This method should be implemented by derived classes to fetch shapes from their specific data so

Fetch shapes by ID list. This method should be implemented by derived classes to fetch shapes by their ID values. Parameters

Fetch NHD shapes by ID, including catchments if requested. Parameters ---------- ids : List[str] List of IDs to r

Check if a set of polygon shapes are nonoverlapping. Parameters ---------- points : np.ndarray Array of coordinate points. el

Open all files and concatenate them into a single xarray dataset.

Plot the river and elements for a debugging plot. Parameters ---------- river : River River network to plot. coords : np.ndar

Find point at a given distance from start at a given angle. Parameters ---------- ax : matplotlib.axes.Axes CartoPy axes object.

Time dtype converions and clipping, check CRS is applied, and check post conditions.

Process and validate parameters for getDataset calls. Parameters ---------- geometry : shapely.geometry.Polygon | gpd

Managers should overload this method to do stuff prior to processing. This can be used to update native variables if they cannot be k

Managers should overload this method to request the data. Parameters ---------- Request Dataset request storing t

Apply 2D spatial smoothing to data. Parameters ---------- data : numpy.ndarray 3D or higher array where the last two dim

Applies the inverse of whitening transformation. Parameters ---------- observations : np.ndarray Whitened observations to transfo

Find a point farther than distance from start, in the given direction. It doesn't matter which coordinate system start is given in, as long a

Validate location parameter.

Validate year for given location.

Returns whitened observations and statistics for use in unwhiten. Parameters ---------- observations : np.ndarray Input observati

This function assumes that the list of reaches are siblings, share a common endpoint, and the angle between their linestrings as they leave th

Adds nodes and edges from obj into collection.

Adds an item to the list of things to label. Parameters ---------- data : List[Any] A list of objects being label

Label m2 with region(s) for each polygon. Always adds a surface region; if volume also adds a volume region for extrusion in 3D. Paramet

Aggregate horizon value by layer thickness to get component property. Parameters ---------- df_chorizon : pandas dataframe hor

Aggregate component values by component percentage to get MUKEY property. Parameters ---------- df : pandas dataframe The list of h

Reduce reach elevations by a float or function.

Checks consistency of the internal representation.

Ensures all cells are oriented via the right-hand-rule, i.e. in the +z direction.

Calculate a discrete colormap with N entries from the continuous colormap cmap. Parameters ---------- ncolors : int Number of color

Provide a function that maps scalars to colors in a given colormap. Parameters ---------- vmin, vmax : scalar Min and max scalars t

Average DataArray values across years and repeat for specified number of years. Parameters ---------- da : xr.DataArray

Average DataFrame values across years and repeat for specified number of years. Parameters ---------- df : pandas.DataFrame

Average Dataset values across years and repeat for specified number of years. Parameters ---------- ds : xr.Dataset Inpu

Compute a map from NLCD indices to MODIS indices using correlation of the two rasters. Parameters ---------- modis_profile : xarray.D

Compute Euclidean distance between two points. Parameters ---------- p1 : tuple of float First point as (x, y) coordinates.

This function calculates below canopy PAR. Main references are 1) Campbell & Norman (1998) An introduction to Environmental biophysics (ab

SHADE2 model from Li et al. (2012) Modeled riparian stream shading: Agreement with field measurements and sensitivity to riparian conditions

Return van Genuchten model parameters using Rosetta v3 model. (Zhang and Schaap, 2017 WRR) Parameters ---------- data : numpy.n

Condition, IN PLACE, the elevations of stream-corridor elements to ensure connectivity throgh culverts, skips ponds, maintain monotonicity, or o

Connect indices in edges in a round-trip fashion

Create a list of rivers from a dataframe that includes a 'parent' column. Parameters ---------- df : gpd.GeoDataFrame

Convert an iterable of datetime objects to cftime object. This function accepts various datetime types and converts them to cftime Gregor

Creates the environment locally.

Gets the date in a preferred format for writing env names

Take reach profile elevations and move them out to the mesh vertices.

Do main VCS-independent setup function for installing Versioneer.

Git-specific installation logic for Versioneer. For Git, this means creating/changing .gitattributes to mark _version.py for export-subst key

Dumps the env into an appropriate filename. This would be improved by a solution to: https://github.com/conda/conda/issues/9399 but ins

Forces banks at least bank_integrity_elevation higher than the channel elevation.

Ensures that the streambed-profile elevations are monotonically increasing as we move upstream, or decreasing as we move downstream.

Sweep the river network from each headwater reach (leaf node) to the watershed outlet (root node), removing aritificial obstructions in the ri

Gets an enumerated list of count independent colors. Parameters ---------- count : int Number of colors to return. palette :

Open a map!

This is the origional, 2-pass algorithm, and is likely inefficient.

This is a refactored, single pass algorithm that leverages a sorted list.

This algorithm is based on a boundary marching method

Remove day 366 (Dec 31) from leap years and convert time column to CFTime noleap calendar. Parameters ---------- df Input Dat

Remove day 366 (Dec 31) from leap years and convert time dimension to CFTime noleap calendar. Parameters ---------- da : xr.DataArray

Finds the biggest (by area) polygon.