On 13/2/23 01:29, stevea wrote:
My point was that words and tags that exist now (like “seasonal” or
"intermittent=yes”) may not mean or actually don’t mean quite what they used
to, because of climate change. These differing uses of existing tags are “becoming
different” or have “become different” right now, not in the future. OSM may need to
redefine or modify tags which use words that assume a kind of “annual seasonality”
which likely does not exist any longer — at least in some places.
I would object to redefining those tags as 'some' (many?) features
retain those characteristics. If you have features that exhibit some
other time based characteristic then there will need to be new tags for
them, I look forward to the discussion.
I made this post to agree with Tod’s broadening of the topic (North American
examples given, which are local and familiar to me) in the interests of
achieving more unified, comprehensive tagging strategies for what are not only
a relatively complex set of attributes, but a more worldwide approach to a wide
variety of landscapes (natural areas, affected by geological / hydrological /
ecological, sometimes plant-life-based processes). I did so with a full
understanding that “OSM maps what is here and now.”
The expertise of “how OSM does, might or should tag” often rests with people
who post here. However, it may be that this list benefits from the (especially
modern) perspective of geologists, hydrologists or other landuse experts who
could offer some perspective on how land and water areas are classified. And
importantly, how climate change actually does change these classifications.
The changes which might ensue are not necessarily trivial, and likely include
changes for both the present and future. Today, it is prudent to be
forward-looking, even if tagging we might craft is only preparatory in nature.
On Feb 12, 2023, at 1:04 AM, Warin <61sundow...@gmail.com> wrote:
On 12/2/23 11:13, stevea wrote:
On Feb 11, 2023, at 3:53 PM, Graeme Fitzpatrick <graemefi...@gmail.com> wrote:
On Sun, 12 Feb 2023 at 05:10, Martin Koppenhoefer <dieterdre...@gmail.com>
wrote:
A wetland is a land area that is saturated with water, either permanently or
seasonally”
But does "seasonally" include "maybe once every 20 years"?
Climate change (being real, humans on Earth do experience climate change right now) makes words like
"intermittent" (to describe stream flow) and "seasonally" (about whether a wetland or
playa has surface water, possibly over dusty, sandy, "soil" or raw earth annually or occasionally
or almost-perpetually-but-not-always...) pretty goopy (wet, plastic, runny...) themselves. Assumptions
change, words defined in one era become less precise over years. This is normal language evolution, btw.
Sometimes years and decades, sometimes many centuries. I find it interesting how climate change does this,
and it does.
In short: it's hard to say what words about "changing, yet often predictable cycles of weather"
mean when we're in the midst of changes about what "weather" means. It might seem like
"doomed to failure" here, but languages adjust, sometimes in poetic, beautiful ways. And what is
tagging but another language?
OSM maps what is here now. And these 'dry swamps' exist here and now.
What OSM wetlands evolve into in the future is a problem for the future of OSM
and not something to waste time over now.
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