[HOT] Including hazards in OSM - First draft of typology and methodology
s at henriod.info
Thu May 17 21:01:08 BST 2012
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
- 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
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