Climate Change

Rules and guidelines for the CDS catalogue

ClimateChange

T w o o v e r a r c h i n g p r i n c i p l e s

• Simplicity

• Consistency

ClimateChange

S i m p l i c i t y

• The aim of the CDS is to reach out to new communities

– Health, energy, transportation, tourism, etc.

• Target audience are non-specialists

– The CDS catalogue is designed for them

• Experts already know how to access data

– ESGF, ESA-CCI portal, CEDA, etc

– The purpose of the CDS is not to replace these services

ClimateChange

S i m p l i c i t y

• Title must focus on discoverability

– The ‘F’ of the FAIR principle

– No acronyms, no organisations names

– Proper capitalisation

• Abstracts must use plain English

– Start with high level description of the dataset and its usefulness

– More and more details are added as the text goes

– Users can stop reading whenever they want

ClimateChange

C o n s i s t e n c y

• The catalogue must not be a “patchwork” of records

• All records must look like they were written by the same person

– Titles as well as abstracts

• All title must have the same structure

• All abstracts must have the same structure

• All variables must have the same name throughout the catalogue

• Etc

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F i n d i n g d a t a s e t sM

etad

ata

ISO 1

91

15

ClimateChange

B e f o r e …A c c e s s i n g d a t a s e t s : G l o b a l r e a n a l y s i s d a t a

ClimateChange

B e f o r e …A c c e s s i n g d a t a s e t s : M u l t i - s y s t e m s e a s o n a l f o r e c a s t s

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B e f o r e …A c c e s s i n g d a t a s e t s : C l i m a t e m o d e l o u t p u t v i a E S G F

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B e f o r e …A c c e s s i n g d a t a s e t s : S e c t o r a l i m p a c t i n d i c a t o r s

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Application

E Q C

Quality

Quality Information

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E Q C

N/A

Poor

Good

Average

Access Format InformationCDM

ClimateChange

C D S – R u l e s f o r t i t l e s

[ECV description] [temporal resolution] [spatial representation] [time period] [derived|from] [other features]

ClimateChange

C D S – R u l e s f o r t i t l e s - E x a m p l e s

Sea ice concentration monthly gridded data from 1979 to presentGlaciers elevation and mass change data from 1850 to present from the Fluctuations of Glaciers DatabaseGlaciers distribution data from the Randolph Glacier Inventory for year 2000Surface albedo 10-daily gridded data from 1981 to presentCarbon dioxide data from 2002 to present derived from satellite sensorsCloud properties gridded data from 1978 to 2015 derived from satellite sensorsMethane data from 2002 to present derived from satellite sensorsOzone monthly gridded data from 1970 to presentSea ice monthly and daily gridded data from 1978 to present derived from satellite sensorsSea level daily gridded data for the Black Sea from 1993 to presentSoil moisture gridded data from 1978 to presentSea surface temperature daily gridded data from 1991 to 2010

ClimateChange

C D S – R u l e s f o r a b s t r a c t s

[Describe in high level terms this dataset provides][How does this dataset contribute to the C3S/CDS mission?][Elaborate on the added value of the dataset over its inputs (specify the inputs as well) and the processing chain involved in achieving the added value][If applicable, detail any relations with other entries on the CDS time period][Provider|Producer of the data][Any other business, e.g. very important known issues]

ClimateChange

C D S – R u l e s f o r a b s t r a c t s - E x a m p l e

This dataset provides observations of atmospheric ozone amounts obtained from observation collected by various satellite instruments. The data represent the current state-of-the-art in Europe for satellite-based ozone climate data record production, in line with the Systematic observation requirements for satellite-based products for climate” as defined by GCOS (Global Climate Observing System). The dataset is organised around the vertical aggregation of the ozone data in four main products:

◦ Ozone total column retrieval from UV-nadir sensors;◦ Ozone total and tropospheric column retrieval from IASI sensors;◦ Ozone profile retrieval from UV-nadir sensors;◦ Ozone profile retrieval from limb and occultation sensors.

In addition to the vertical aggregation of ozone data, this dataset also provides horizonal aggregations in the form of zonal averages and sensor aggregations in the form of merged products. For some products, in addition to the main variable, auxiliary variableslike air-temperature and air-pressure at different levels are provided as well. Another common reference is the Climate Data Record (CDR) and interim-CDR (ICDR). For this dataset, both the ICDR and CDR parts of each product were generated using the same software and algorithms. The CDR is intended to have sufficient length, consistency, and continuity to detect climate variability and change. This is the case for instance with the ozone verticallyintegrated values computed from the passive remote-sensing UV spectrometry onboard of nadir sensors such as SBUV, TOMS, GOME, SCIAMACHY or OMI. The ICDR provides a short-delay access to current data where consistency with the CDR baseline is expected but was not extensively checked.Most of the ozone data products in this dataset have been developed as part of the ESA Ozone Climate Change Initiative project.

ClimateChange

T w o o v e r a r c h i n g p r i n c i p l e s

• Aim of the CDS is to reach out to new communities

• Two overarching principles:

– Simplicity and consistency

• Achieved with a set of rules

– These rules were the result of several iterations, having a look at all available datasets

– The rules are now settled