What is CHy e-Board?

The CHy e-Board is a virtual space where the Commission for Hydrology (CHy) community posts information of interest.
Appropriate posts for the CHy e-Board will include communications from the President, documents for discussion, announcements of forthcoming meetings etc, related to the work of the Commission for Hydrology. Whenever a particular document so requires, a discussion on “CHy Forum” will be undertaken.

All information is classified in categories, please select a category in the right-hand menu, to display the corresponding information (in brackets you will find the number of announcements posted under each category)

Recent posts

WMO Hydrological Observing System (WHOS)

whos-screen200x165WHOS is a portal to the online holdings of National Hydrological Services (NHS) around the world that publish their data without restrictions or cost. It represents the hydrological component of the WMO Integrated Global Observing System (WIGOS).

Access to the data comprising WHOS can be obtained via map-based links.

Posted in Message from the secretariat | Leave a comment

Information on progress in preparation of document in the thematic area Water, Climate and Risk Management

Dear colleagues,
The Commission for Hydrology on its 14th session has among other activities asked for:
Preparation of a note/overview guidance material on how to use regional climate modeling (i.e. long-term climate scenarios) in strategic hydrological management
Preparation of a comprehensive report on downscaling approaches for hydrological applications and their associated uncertainties, including commenting on existing case studies

A group of experts met to discuss the document structure and steps in its preparation in Geneva last week. We agreed to prepare document that is intended to support operation and practice of National Hydrological Services (NHSs) and other practitioners in the field of use of outputs of climate models for hydrological applications. As such the main aim of the document is to provide a guidance on the process of design and performance of the climate model outputs use in hydrological applications e.g. climate change impact studies or seasonal hydrological predictions.
Our target user groups are practitioners in the field of hydrology and water management. Therefore the whole document describes and handle various aspect from the perspective of an impact modeler not a climate expert. The climate model outputs are considered as delivered products and inputs to the impact study or hydrological model.

The discussion led to a proposal of following table_of_contents.

You are welcome to comment on the document structure represented by table of contents as soon as possible. You are also welcome to express your interest to contribute to document preparation e.g. By provision of examples of case studies or trough the internal review of selected chapters.

Posted in AWG, CHy 14, Documents under discussion, Water, Climate and Risk Management | Leave a comment

Manuel sur la prévision et l’annonce des crues

1072-f100x141rLe “Manuel sur la prévision et l’annonce des crues” Organisation météorologique mondiale (OMM, No. 1072) est maintenant disponible en français [Téléchager (PDF)]

Posted in Publications | Leave a comment

Guidelines for Hydrological Data Rescue

Hydrological Data Rescue

The “Guidelines for Hydrological Data Rescue“, World Meteorological Organization – WMO, 2014 (WMO, No. 1146 ) is available for download.

Posted in Publications | Leave a comment

Guide des pratiques hydrologiques (OMM No.168)

Guide des pratiques hydrologiques (OMM No.168)

Guide des pratiques hydrologiques (OMM No.168)

Le “Guide des pratiques hydrologiques” (OMM No.168) est maintenant disponible en français: [Télécharger le Guide]

Posted in Publications | Leave a comment