[HOT] Including hazards in OSM - First draft of typology and methodology

Stéphane Henriod s at henriod.info
Thu May 17 21:01:08 BST 2012

Dear all,

as already discussed in this thread (
http://lists.openstreetmap.org/pipermail/hot/2012-April/001681.html), I am
trying to start developing a typology and some methodology for the storage
and display of hazard zones on OSM.

Those of you who have followed the discussion know that some questions are
still open (mainly, *should the hazard information be stored in the main
Planet file, or somewhere else?*) but, IMO, we can save it for later and
first start to think on the data model.

On the wiki page OpenHazardMap (
http://wiki.openstreetmap.org/wiki/OpenHazardMap), I propose an approach
and a first draft (still incomplete) for keys and tags.

While choosing the keys / tags, I tried to keep the following constraints
in mind:

   - It should be possible for non-specialists to collect the data. Thus
   only information that one can collect either from interviews and
   discussions or from translation from existing registries and studies is
   necessary to feed the tags. There is no "scientific" measurement required
   (although such measurement, if available, could easily be translated into
   the proposed system)
   - The number of keys should be limited, to avoid discouraging those who
   will upload data (either from own observations or from translation from
   existing hazard / disaster registers)
   - The quantity of collected information should still be sufficient to
   allow relevant analysis of a situation (not necessarily relevant for
   hardcore scientists, but relevant for development / humanitarian
   practitioners and for populations)
   - It should be flexible enough to accept other types of hazards

Please note that the approach I propose is adapted to quick-onset hazards
only. Slow-onset hazards (droughts, cyclones...) might be more difficult to
map and to integrate, but we should definitely give it a thought, given
their deadly importance in some countries.

Would be happy to read from people who have worked with those topics (Kate?
Fred M? JGC? Rei?, others?) and to compare with what has been done in Haiti
/ Indonesia and what is planned in Senegal and / or other countries.



PS: it's the first time I work on the wiki, so accept my apologies if the
formatting, the links between the pages and the use of templates are a bit
"Le mot progrès n'aura aucun sens tant qu'il y aura des enfants malheureux"
-- Albert Einstein

"A journey does not need reasons. Before long, it proves to be reason
enough in itself. One thinks that one is going to make a journey, yet soon
it is the journey that makes or unmakes you." -- Nicolas Bouvier

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