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8. The increasing recognition through scientific and tech-
nical endeavours, such as the Global Energy and Water
Cycle Experiment (GEWEX), of the importance of
hydrological data and products in improving the
understanding of meteorological processes and subse-
quently the accuracy of meteorological products.
Recognizing:
1. The responsibility of Members and their NHSs to
provide for the security and well-being of the people of
their countries, through mitigation of water-related
hazards and sustainable management of water resources
2. The potential benefits of enhanced exchange of hydro-
logical data and information within shared river basins
and aquifers, based on agreements between the
Members concerned
3. The continuing need for strengthening the capabilities
of NHSs, particularly in developing countries,
4. The right of Governments to choose the manner by
which, and the extent to which, they make hydrologi-
cal data and products available domestically and
internationally
5. The right of Governments also to choose the extent to
which they make available internationally data which
are vital to national defense and security. Nevertheless,
Members shall cooperate in good faith with other
Members with a view to providing as much data as
possible under the circumstances
6. The requirement by some Members that their NHSs
earn revenue from users, and/or adopt commercial
practices in managing their businesses
7. The long-established provision of some hydrological
products and services on a commercial basis and in a
competitive environment, and the impacts, both posi-
tive and negative, associated with such arrangements.
Adopts a stand of committing to broadening and enhancing,
whenever possible, the free and unrestricted
1
international
exchange
2
of hydrological data and products, in consonance
with the requirements for WMO’s scientific and technical
programmes;
Further adopts the following practice on the international
exchange of hydrological information:
1. Members shall provide on a free and unrestricted basis
those hydrological data and products which are neces-
sary for the provision of services in support of the
protection of life and property and for the well-being of
all peoples
2. Members should also provide additional hydrological data
and products, where available, which are required to
sustain programmes and projects of WMO, other United
Nations agencies, ICSU and other organizations of equiv-
alent status, related to operational hydrology and water
resources research at the global, regional and national
levels and, furthermore, to assist other Members in the
provision of hydrological services in their countries
3. Members should provide to the research and educa-
tion communities, for their non-commercial activities,
free and unrestricted access to all hydrological data
and products exchanged under the auspices of WMO
4. Respecting (2) and (3) above, Members may place
conditions on the re-export3, for commercial purposes,
of these hydrological data and products, outside the
receiving country or group of countries forming a single
economic group
5. Members should make known to all Members, through
the WMO Secretariat, those hydrological data and
products which have such conditions as in (4) above;
6. Members should make their best efforts to ensure that
the conditions placed by the originator on the addi-
tional hydrological data and products are made known
to initial and subsequent recipients
7. Members shall ensure that the exchange of hydrolog-
ical data and products under this resolution is
consistent with the application of Resolution 40 (Cg-
XII) — WMO policy and practice for the exchange of
meteorological and related data and products includ-
ing guidelines on relationships in commercial
meteorological activities.
Urges Members, in respect of the operational and scientific
use of hydrological data and products, to:
1. Make their best efforts to implement the practice on
the international exchange of hydrological data and
products, as described in Further adopts (1) to (7)
2. Assist other Members, to the extent possible, and as
agreed upon, in developing their capacity to implement
the practice described in Further adopts (1) to (7).
Requests the Executive Council to:
1. Invite the Commission for Hydrology to provide advice
and assistance on technical aspects of the implemen-
tation of the practice on the international exchange of
hydrological data and products
2. Keep the implementation of this resolution under
review and report to Fourteenth Congress.
Decides to review the implementation of this resolution at
Fourteenth Congress.




