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- Newsgroups: comp.infosystems.gis
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- From: srobeson@nickel.ucs.indiana.edu (scott robeson)
- Subject: Re: climate
- Message-ID: <C1Kx63.3wB@usenet.ucs.indiana.edu>
- Sender: news@usenet.ucs.indiana.edu (USENET News System)
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- Organization: Indiana University
- References: <01GU117LD10U0017JC@EKU.BITNET> <1k9c2h$s9f@agate.berkeley.edu>
- Date: Thu, 28 Jan 1993 19:37:15 GMT
- Lines: 27
-
- In article <1k9c2h$s9f@agate.berkeley.edu> map@violet.berkeley.edu (Pollen Lab;103 ESB;38108;;NZ29) writes:
- >In article <01GU117LD10U0017JC@EKU.BITNET> GEOWASSE@EKU.BITNET writes:
- >>> ... to deal with elevational effects on temperature... I assume
- >>>that some algorithim exists for determining rate of change of temperature
- >>>based on average slope rise, or somesuch, but I am not quite clear on that.
- >>
- >> The average environmental lapse rate is 6.5oC / 1000m
- >
- > I think you can do better than the global average ELR for your
- >study area. In the Sierra Nevada, Jack Major from UC Davis used
- >climate data from the existing stations to calculate temperature
- >lapse rates along various E-W transects. He generally found a
- >temperature decrease of about 0.5 deg. C / 100m. If you can get
- >the existing temperature records for your area (e.g. off the
- >World Weather CD-ROM or other digital source), it would be easy
- >to calculate average temperature lapse rates for your areas in Utah.
-
- This also raises the point of timescale. Depending on the length of
- your time average (hourly, daily, monthly), average lapse rates may
- or may not be useful. So, if the World Weather CD-ROM has radiosonde
- data, the averaging interval is crucial. The shorter, the better.
-
- --
- Scott Robeson srobeson@indiana.edu
- Department of Geography, 120 Student Building
- Indiana University, Bloomington, IN 47405 Phone: 812-855-7722
- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-