User Guide

User Guide

Authentication

Authentication is provided by Aeris.
You can directly log in if you have an :

The eduGAIN interfederation service connects identity federations around the world, simplifying access to content, services and resources for the global research and education community. More information.

ORCID is a free, unique, persistent identifier for individuals to use as they engage in research, scholarship, and innovation activities. More information.

If you don’t have the possibility to use these two solutions, you can use the register button to create a new account.

Data selection

  • Search text area
  • Combined criteria :
    • dataset or inventory
    • parametre / parametre group
    • sector / sector group
    • geographical coverage and grid resolution
  • Navigation path
Remove item – Back to selection using Navigation bar – ‘Search text’
Remove 2nd Dataset by pressing checkbox in the list

Chart options

Legend enabled/disabled
Data Values on hover
Zoom with the mouse by dragging out a rectangle
Download various file formats

Map display

Navigation options

  • Overview map
  • Full screen
  • Zoom
    • mouse wheel
    • button +/-
    • horizontal scroll bar
Display options
  • Grid min = minimum value over zero
  • Scale range = minimum value is set to a factor e-10 of the maximum value

Zoom on region

  • Select a region
Zoom on region
Choose region in the drop down list

Display options

  • 10 Color palettes
  • Number of colors (10,20 and 250)
  • Scales :
    • logarithm stretching or linear
    • range min and max :
      • automatic (default)
      • manual
Color palettes and scale options (cog icon)
Color palettes : Rainbow – Ferret
Scales : Logarithm – Linear

Regional masks

  • Countries & continents
  • World (10 representativ countries)
  • Cities (27 megacities)
  • IMAGE2.5 26 regions
  • IMAGE2.5 40 regions
  • GFED regions (14 geoclimatic regions)

Map Compare

Grid combination

  • Arithmetic combination between 2 grids :
    • difference (1) – (2)
    • sum (1) + (2)
    • normalized difference (1) – (2) / (2)
Difference between BC emissions year 2023 and 2000
Duifference between Ship NOx emissions from CAMS-REG and CAMS-GLOB (year 2018)

Scatter plot

Time Series on the fly

At any location

Click on map to generate time series

Over a region

  • Choose region
Select region in drop-down list
or Define bounding box
  • Press Time series icon
Time series for one dataset
Time series for 2 datasets

Time series

All sectors

All sectors area-chart
All sectors pie chart

All regions

NOx emissions over continents

Campare time series

All species for selected dataset

All species from dataset

One species from all selected datasets

Pie chart all sectors

Download

  • NetCDF files, CSV files global and regional (6 regional masks) analysis

Instructions for wget

1- Open the email message you received entitled ‘[ECCAD] Download from …’
2- Copy the File Name (5th line)
3- Copy the download link (URL address)

  •  right-click on Add Selection button
  • option ‘Copy the URL address’
  • URL_address =
  • right-click and paste

4- Open a Terminal and write the following command

wget --no-check-certificate -c -t 0 --timeout=60 --waitretry=300 -O CEDS_Glb_0.5x0.5_anthro_NOx_.zip https://service...

ECCAD at a glance

Data exploration

Rechercher