Analysis_of_ERA5_Dataset_with_Python

Task Overview

In this group assignment, we worked on ERA5_2mTemp_19900101-19900531_00h.nc, temperature data from January to May in 1990. The tasks are as follows:

• Task 1: open the file ERA5_2mTemp_19900101-19900531_00h.nc in the shared data/Temperature/ERA5 folder and plot the temperature on January 1, 1990, on a map
• Task 2: calculate daily mean global temperature and plot the time series
• Task 3: calculate the mean temperature for each month (January-May) and plot the data on (five) global maps.

ERA5 Dataset

ERA5 is the latest climate reanalysis produced by ECMWF, providing hourly data on many atmospheric, land-surface, and sea-state parameters together with estimates of uncertainty.ERA5 data are available in the Climate Data Store on regular latitude-longitude grids at 0.25o x 0.25o resolution, with atmospheric parameters on 37 pressure levels. ERA5 is available from 1940 and continues to be extended forward in time, with daily updates being made available 5 days behind real-time. https://climate.copernicus.eu/climate-reanalysis

Project Folder Structure

The repository contains the full codes used and sample data that can be used to test the code.

1. 00_Data: This folder contains datasets in our local drive. Since the dataset is very large, it cannot be stored here in github. However, you can access the dataset from this link shared data/Temperature/ERA5.
2. 01_Code: This folder contains all the Python codes for the tasks.
3. 02_Outputs: This folder contains output images from the codes.

Used Python Packages

• Matplotlib (https://matplotlib.org/stable/users/installing/index.html)
• Numpy (https://numpy.org/doc/stable/user/absolute_beginners.html)
• Xarray (https://docs.xarray.dev/en/stable/index.html)
• Os (https://www.w3schools.com/python/module_os.asp)

Task Division

There are three persons in our group: Mahir Tazwar, Xinran Bian, and Tahmida Sarker Muna. The tasks are divided as follows.

• Task 1: Mahir Tazwar
• Task 2: Xinran Bian
• Task 3: Tahmida Sarker Muna

Final Outputs

Task 1: Global Temperature Map of 1990 January 1st

Task 2: Daily_Mean_Global_Temperature

Task 3: Monthly_Global_Mean_Temperature_Maps

*** This repository is developed as a part of an assignment of Satellites for Geohealth Course (https://studyguide.itc.nl/m-geo/all-courses/202300143/satellites-for-geohealth-?q=satelli) ***