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How to report the boundaries for your zones and - Eionet Forum

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How to report the boundaries for the zones and
agglomerations reported in the questionnaire for annual
reporting on ambient air quality assessment and management
(Commission Decision 2004/461/EC).
Introduction
Countries are requested to provide information on the boundaries of their zones and
agglomerations in a format that facilitates the use of the information provided by the
questionnaire at European level. A revised way of reporting zone boundary
information is set out in this document.
Requests for clarification on these instructions and ideas on how to improve the
guidance on boundary reporting would be very welcome. Contact Sheila Cryan at
EEA ( sheila.cryan@eea.europa.eu) .
Please liaise closely with your national colleagues preparing the questionnaire itself.
The following points should be ensured:
i. The number of zones and agglomerations reported in the questionnaire and in the
boundary reporting should be identical.
ii. The codes used for the zones and agglomerations in the questionnaire and in the
boundary reporting should be identical.
iii. The zones and agglomerations designated for health protection must cover the
entire national territory.
STEP 1 Follow up of 2006 reporting
Most countries have already provided boundary data as a part of their reporting in
previous years or following correspondence with ETC ACC.
Feedback reports and draft shape files are now provided for you on Circa to check and
confirm as being valid for the 2006 questionnaire (2005 data).
Please provide your confirmation or comments on problems in the shape file(s) in the
feedback report and upload it with your 2007 delivery (see STEP 5)
STEP 2 Overview of 2007 reporting
All countries should complete the overview in the dataset Air quality management
zone boundaries (AQZ.xls) .Data set definitions are available in the Reportnet Data
Dictionary.
• Table AQZ1 National overview of zones and agglomerations (worksheet name:
AQZNO)
This table tells us how many zones you have established for each pollutant and
whether there are any changes from the situation of the previous year.
If you have already provided boundaries and there are no changes, you do not need to
complete any further tables.
Data collection AQZ Boundaries for air quality zones (2004/461/EC) 2007v1
Page 1 of 5
STEP 3
Countries that have not previously reported their boundaries and countries that have
made changes in their boundaries should complete the following table:
• Table AQZ2 Zone and agglomeration boundary sources
(worksheet name: ZonesAgglomerations) .
This table indicates to us the way you want to define the boundaries of your zones:
either as a list of local administrative units (LAU2) published by Eurostat or as one or
more geospatial files.
STEP 4
a. Complete worksheet ZoneAdminUnit if you can use the LAU2 units to define
the set of zones. You should use the LAU2 codes provided by Eurostat when
you compile the worksheet. A reference file from Eurostat with all the
administrative units for your country has already been uploaded to your Circa
national folder 1.
OR
b. Provide the new geospatial file(s) containing your zone boundaries following
the guidance on geospatial data reporting in the Annex to this document.
STEP 5 Delivering boundary information
After quality checking your delivery, you should upload all relevant files together with
the questionnaire in your agreed national repository (see How to deliver to CDR ). If
you do not have upload rights, liaise with your colleagues working on the
questionnaire itself or contact your national focal point (NFP)
1
The originals are published on the Eurostat website at:
http://ec.europa.eu/comm/eurostat/ramon/nuts/lau_en.html
Data collection AQZ Boundaries for air quality zones (2004/461/EC) 2007v1
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ANNEX
Guidance on geospatial data reporting for national
experts for the 2007 data collection
You are requested to first follow the instructions in the above section of this document
so that we have the information that allows us to understand and use your geospatial
files. This guidance is in the form of a suggested workflow showing the recommended
order of activities in preparing your geospatial delivery for STEP 4b above.
Table 1 below lists the requirements for the geospatial delivery. A metadata checklist
has also been provided.
Suggested work flow for new geospatial data
1. Download the geospatial template for your country from Circa. This template
contains a generalized national boundary that fits exactly with all
neighbouring countries so that we can rapidly create the European geospatial
dataset.
2. Add the zone boundary polygons in the geospatial template. Please take care
not to modify the national boundaries. The projection can be changed
providing that the new projection information is reported. .
3. Check that the country code and zone code fields are completed for all
polygons. Use the standard codes for marine areas and foreign enclaves (see
Table A Attribute table)
4. Check that the polygons link correctly to the zones and agglomerations being
reported in the questionnaire (2004/461/EC)
5. Check that the datum and projection details are correctly completed in the GIS
files
6. Check that the metadata is complete
7. Upload your 2007 geospatial data together with the questionnaire in your
agreed national repository. See STEP 5 above.
More detailed information on EEA’s work with geographical data can be found at
www.eionet.europa.eu/gis
If you need advice while preparing your geospatial delivery please contact the EEA
sheila.cryan@eea.europa.eu
Data collection AQZ Boundaries for air quality zones (2004/461/EC) 2007v1
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Table 1
Requirements
Description
File name(s)
The geospatial file(s) must have the names reported in
• AQZ2 Zone and agglomeration boundary sources
Attribute table
Unique identifier
(worksheet name: ZonesAgglomerations). (see STEP 3 above)
The attribute table of the geospatial data file should contain for each
feature the following two attributes:
ICC
Two character code for country ISO 3166-alpha-2 code elements
ZoneCode.
Zone code exactly as reported in annual air quality questionnaire
(2004/461/EC)
Data format
File formats
Datum
Projection
Point of contact
Metadata
Title
Abstract
Version
Access rights
Scale
Accuracy
(Datum)
(Projection)
Water bodies other than marine areas should be allocated to the relevant
zone or agglomeration.
Marine areas should be allocated a standard Zone Code of XX99999.
Any enclaves of foreign territory should be allocated a standard Zone Code
of XX88888.
National territory not allocated to a zone (Applies in the case of vegetation
and ecosystem protection zones) XX77777
The accepted geospatial file formats for reporting the boundaries are shape
file (shp) or Mapinfo Exchange file (mif). Information about datum and
projection is essential for combining the different national deliveries into a
European dataset.
This information is sometimes embedded in the file format, e.g. as a .prj
file as part of the shape file format. If the datum and projection information
is not embedded in the file format it must be provided as part of the
metadata, see below.
Provide organisation name, contact person name, telephone, email address,
url of the organisation responsible for the delivered geospatial data.
Metadata should include the original title of the dataset, a short abstract
about the content of the data and a version number. This will help you
when reporting in future years. It is also valuable to know if the data is free
to be used by anyone or if there are any constraints. Please provide the
terms of use or a hyperlink if they are published on the internet. It is also
important to provide information about the scale of the data in the delivery
(e.g. 1:100 000) and/or geographic accuracy (e.g. 25 m). Information on
datum and projection parameters should also be provided here if not
already included in the data format, see above.
A metadata checklist for geospatial data is available below. The checklist
is a subset of EEA metadata standard for geographic information (MSGI),
a profile of ISO 19115, until the INSPIRE metadata standards for air
quality are agreed.
Data collection AQZ Boundaries for air quality zones (2004/461/EC) 2007v1
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Metadata checklist for geospatial datasets – national deliveries
Subset of EEA metadata standard for geographic information (MSGI), a profile of ISO 19115
Metadata on metadata
Point of contact:
Organisation name: <Responsible for the metadata, organisation name>
Contact person: <Responsible for the metadata, individual name>
Address (email): <Email of the responsible organisation or individual>
Date: <YYYYMMDD - Date of the last modification of the metadata>
Dataset identification
Title: <Title of the dataset>
Abstract: <Abstract explaining the content of the dataset>
Dataset version: <Dataset version>
Reference date: <YYYYMMDD - Date of the last modification of the dataset>
Reference system
(if this information is integrated in the data file itself do not provide it here)
Name: <Name of reference system>
Datum:
Name: <Name of datum>
Ellipsoid:
Name: <Name of ellipsoid>
Semi-major axis: <Radius of the equatorial axis of the ellipsoid>
Axis units: <Units of the semi-major axis>
Flattening ratio: <Ratio of the difference between the equatorial and polar radii of the
ellipsoid to the equatorial radius when the numerator is set to 1>
Projection:
Name: <Name of projection>
Standard parallel 1: <Line of constant latitude at which the surface of Earth and the plane
or developable surface intersect>
Longitude of central meridian: <Line of longitude at the centre of a map projection generally
used as the basis for constructing the projection>
Latitude of projection origin: <Latitude chosen as the origin of rectangular coordinates for a
map projection>
False easting: <Value added to all 'X' values in the rectangular coordinates for a map
projection>
False northing: <Value added to all 'Y' values in the rectangular coordinates for a map
projection>
False easting northing units: <Units of false easting and false northing>
Scale factor at equator: <Ratio between physical distance and corresponding map distance,
along the equator>
Longitude of projection centre: <Longitude of the point of projection for azimuthally
projections>
Latitude of projection centre: <Latitude of the point of projection for azimuthally
projections>
Distribution information
Access rights:
Copyright:
<yes/no>
Please indicate if a particular copyright line is required:
<Description of the access rights including how the owner should be acknowledged>
On-line resource linkage:
<URL (link) to on-line source for acquiring data and/or data specifications>
Other information
Scale:
1:<e.g. 250 000>
Geographic accuracy:
<e.g. 250> meters
Data collection AQZ Boundaries for air quality zones (2004/461/EC) 2007v1
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