[b-hebrew] Genesis 2:6
VadimCherny at mail.ru
Wed Oct 5 13:45:02 EDT 2005
What I was able to find out: dew level in the Negev is 0.1mm daily in late
summer (west wind season, wind coming from the sea). Extrapolated, that
comes to 3.5cm/year. Since we extrapolated the peak dew, actually it is much
Now, even inland Sahara receives 1.5cm/year of rain, and is notoriously out
of shrubs. Very arid deserts, where to all purposes no plants exist, receive
Overall, dew possibly sustain plants for short periods, but plants do not
grow on dew.
> See the following references about dew in Israel:
> * Linacre, E.T. 1992. Climate Data and Resources. (Routledge, London)
> * Zangvill, A. 1996. Six years of dew observations in the Negev Desert,
> Israel. J. Arid Environments, 32, 361-71.
> * Jacobs, A.F.G., B.G. Heusinkveld and S. Berkowicz 1998. Dewdeposition
> and early morning evaporation in a desert environment. 23rdConf. on
> Agricultural and Forest Meteorology, Albuquerque, New Mexico(Amer. Meteor.
> Soc.), preprints, 349-52.
> Expirements in my garden (in Barneveld a dry place in the Netherlands)gave
> this summer very interesting results: 1liter/m2 every morning,enough for
> the growing of some plants like Eupatorium purpurea (1.5 m high).And this
> was no rain! In the period I made my experiments the daytemperature was
> about 27 Celsius and night temperature 18 Celsius.
> I used 3 boxes, 2 boxes with the Eupatorium purpurea (about 30 centimeters
> deep) and between these 2 boxes an empty box for the measurements. Most of
> the dew was fallen from the Eupatorium purpurea in this box, a smaller box
> with no plants/trees in the neighbourhood gave about 0.15 deciliter/m2
> Jan Pieter van de Giessen
> On Mon, 03 Oct 2005 09:35:15 -0500, Karl Randolph wrote
>> This past weekend I was reminded of this verse as my
>> shoes squished in the mud. I live in a place where it
>> seldom rains from March through October, often the rains
>> start in December. But we often have heavy dew, even fog
>> in this area. Friday night and Saturday we had fog, which
>> condensed on tree leaves and on grasses and dripped to
>> the ground. The trail was actually mud under the trees.
>> The soil was damp in the grassy areas. Sunday morning
>> we a heavy dew. Though not as wet as on Saturday, it
>> certainly was not dry. No, we did not have an unusual
>> rainfall. Traditional plants, even forests, thrive in these
>> conditions. Grasses (and grains) usually put out their
>> seeds shortly after the last rains, before the dryness of
>> the summer.
>> Local dryland farmers from before this place became
>> urbanized, historically recognized that a few nights of
>> heavy dew equalled a day of drizzle.
>> As for the conditions in Eden, it is very doubtful that it
>> was in a desert.
>> Karl W. Randolph.
>> ----- Original Message -----
>> From: "Vadim Cherny" <VadimCherny at mail.ru>
>> > Haggai says, basically, "The drought is such that there is even no
>> > dew."
>> > Nothing implies that dew (tal, no 'ed) suffices to water the plants.
>> > Vadim Cherny
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