User API#
GeoCAT-comp Native Functions#
Climatologies#
This function divides the data into time periods (months, seasons, etc) and computes the average for the data in each one. |
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This function calculates climate anomalies by subtracting the long term mean of each |
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This function calculates long term hourly, daily, monthly, or seasonal averages across all years in the given dataset. |
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Computes a user-specified three-month seasonal mean. |
Fourier Filters#
Filter a dataset by frequency. |
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Filter a dataset by frequency. |
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Filter a dataset by frequency. |
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Filter a dataset by frequency. |
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Filter a dataset by frequency. |
Gradient#
Extract and return the gradient values of a dataset at each point in the dataset. |
Interpolation#
Interpolate and extrapolate data from hybrid-sigma levels to isobaric levels. |
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Interpolate data from sigma to hybrid coordinates. |
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Multidimensional interpolation of variables. |
Meteorology#
Compute 'actual' saturation vapor pressure [kPa] as described in the Food and Agriculture Organization (FAO) Irrigation and Drainage Paper 56 entitled: |
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Calculates the pressure layer thickness (delta pressure) of a constant pressure level coordinate system. |
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This function calculates the dew point temperature given temperature and relative humidity using equations from John Dutton's "Ceaseless Wind" (pp 273-274) |
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Compute the 'heat index' as calculated by the National Weather Service. |
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Computes maximum number of daylight hours as described in the Food and Agriculture Organization (FAO) Irrigation and Drainage Paper 56 entitled: |
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Compute psychrometric constant [kPa / C] as described in the Food and Agriculture Organization (FAO) Irrigation and Drainage Paper 56 entitled: |
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This function calculates the relative humidity given temperature, mixing ratio, and pressure. |
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Calculates relative humidity with respect to ice, given temperature, mixing ratio, and pressure. |
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Calculates relative humidity with respect to water, given temperature, mixing ratio, and pressure. |
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Compute saturation vapor pressure as described in the Food and Agriculture Organization (FAO) Irrigation and Drainage Paper 56 entitled: |
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Compute the slope [kPa/C] of saturation vapor pressure curve as described in the Food and Agriculture Organization (FAO) Irrigation and Drainage Paper 56 entitled: |
Spherical Harmonics#
Calculate the spherical harmonics of a dataset. |
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Calculate a dataset from spherical harmonics. |
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Calculate the area weighting for dataset. |
Statistics#
Computes empirical orthogonal functions (EOFs, aka: Principal Component Analysis). |
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Computes the principal components (time projection) in the empirical orthogonal function analysis. |
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This function wraps the function of the same name from xskillscore. |