{ "cells": [ { "cell_type": "markdown", "id": "c1a0cf43", "metadata": { "tags": [] }, "source": [ "" ] }, { "cell_type": "markdown", "id": "ae042707", "metadata": { "tags": [] }, "source": [ "# Profile Plots and Zonal Means\n", "\n", "This tutorial demonstrates how to visualise [Copernicus Atmosphere Monitoring Service (CAMS)](https://atmosphere.copernicus.eu/) data of different atmospheric levels in the form of profile plots and zonal mean plots. The data used in this tutorial includes CO from the Northern Hemisphere during the summer (peak fire season) from 2003 to 2021." ] }, { "cell_type": "markdown", "id": "363cc340", "metadata": {}, "source": [ "\n", "
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<xarray.Dataset> Size: 437MB\n", "Dimensions: (valid_time: 63, pressure_level: 15, latitude: 241,\n", " longitude: 480)\n", "Coordinates:\n", " * valid_time (valid_time) datetime64[ns] 504B 2003-06-01 ... 2023-08-01\n", " * pressure_level (pressure_level) float64 120B 1e+03 950.0 ... 150.0 100.0\n", " * latitude (latitude) float64 2kB 90.0 89.25 88.5 ... -89.25 -90.0\n", " * longitude (longitude) float64 4kB 0.0 0.75 1.5 ... 357.8 358.5 359.2\n", "Data variables:\n", " co (valid_time, pressure_level, latitude, longitude) float32 437MB ...\n", "Attributes:\n", " GRIB_centre: ecmf\n", " GRIB_centreDescription: European Centre for Medium-Range Weather Forecasts\n", " GRIB_subCentre: 0\n", " Conventions: CF-1.7\n", " institution: European Centre for Medium-Range Weather Forecasts\n", " history: 2024-09-12T14:29 GRIB to CDM+CF via cfgrib-0.9.1...
<xarray.DataArray 'co' (valid_time: 63, pressure_level: 15, latitude: 241,\n", " longitude: 480)> Size: 437MB\n", "[109317600 values with dtype=float32]\n", "Coordinates:\n", " * valid_time (valid_time) datetime64[ns] 504B 2003-06-01 ... 2023-08-01\n", " * pressure_level (pressure_level) float64 120B 1e+03 950.0 ... 150.0 100.0\n", " * latitude (latitude) float64 2kB 90.0 89.25 88.5 ... -89.25 -90.0\n", " * longitude (longitude) float64 4kB 0.0 0.75 1.5 ... 357.8 358.5 359.2\n", " level_log10 (pressure_level) float64 120B 3.0 2.978 2.966 ... 2.176 2.0\n", " height (pressure_level) float64 120B 0.0 0.4306 ... 13.43 15.73\n", "Attributes: (12/32)\n", " GRIB_paramId: 210123\n", " GRIB_dataType: an\n", " GRIB_numberOfPoints: 115680\n", " GRIB_typeOfLevel: isobaricInhPa\n", " GRIB_stepUnits: 1\n", " GRIB_stepType: avgua\n", " ... ...\n", " GRIB_totalNumber: 0\n", " GRIB_units: kg kg**-1\n", " long_name: Carbon monoxide mass mixing ratio\n", " units: kg kg**-1\n", " standard_name: mass_fraction_of_carbon_monoxid...\n", " GRIB_number: 0