After many attempts to calculate a specific mass balance in
meters of water equivalent, from climate indices data, it was clear the results were just not going to be consistent enough to provide a reliable forecast.
The annual balance in
meters of water equivalent determined from field measurements networks of varying number of measurement sites on Columbia Glacier.
Annual balance record of North Cascade glaciers in
meters of water equivalent.
Not exact matches
Glenn also tells
of a Clemson runner who trained in
water four weeks before clocking a 3:45 1,500
meters, which is the
equivalent of a 4:03 mile.
Scientists have been keeping a wary eye on Greenland's ice sheet, which holds in its frozen
waters the
equivalent of 7.4
meters of sea level rise.
Physicists at the University
of Twente in the Netherlands and at the University
of Seville in Spain set up an experiment in which they pulled a disk - shaped object flat down into
water so that it hit the
water at the relatively leisurely speed
of one
meter per second (roughly
equivalent to dropping the disk from a height
of a few centimeters).
This does not seem a very large loss rate, but it has taken place relentlessly for more than 2 billion years, and the
equivalent water or CO2 lost over this time period is in excess
of several
meters of liquid
water spread over the whole surface
of Mars.
Compare that to 20 sq
meters of land, 2200 liters
of water, and 1000 grams
of feed for an
equivalent amount
of beef.
As most
of the dives in the Maldives are deeper than 18
meters (60 ft.), in moderate to strong current, it is recommended that divers complete the Advanced Open
Water Course prior to arrival or have
equivalent diving experience.
Keep in mind that in order to do some
of the dives here you must have an advanced open
waters (or its
equivalent), as you need to dive deeper than 18
meters.
At 0 degrees C, you need a pressure
equivalent to ~ 250
meters of water depth to get enough dissolved methane for hydrate to form.
The entire mass
of the atmosphere column is
equivalent to about 3
meters of sea
water, only a fraction
of the well - mixed layer.
«A fan
of * MORE * discourse January 17, 2013 at 4:51 pm the 10,000
meter - tall
water column
of the Challenger Deep stands in a gravitational field
equivalent to (calculates) 250 Kelvins
of energy for each
water molecule.
Hmmm... the 10,000
meter - tall
water column
of the Challenger Deep stands in a gravitational field
equivalent to (calculates) 250 Kelvins
of energy for each
water molecule.
Consider that at sea level the weight
of the atmosphere (the hydrostatic pressure) is
equivalent to about 10.3
meters of water.
Doing the math, I find that a 6 mm drop is
equivalent to a volume
of very roughly 700 billion cubic
meters of water, or 700 cubic kilometers (about 180 cubic miles).
Global mass balance data are transformed to sea - level
equivalent by first multiplying the ice thickness (
meters) lost to melting by the density
of ice (about 900 kilograms per cubic
meter), to obtain a
water equivalent thickness, and then multiplying by the surface area
of these «small» glaciers (about 760,000 square kilometers).
Currently the mining operations are licensed to divert 370 million cubic
meters (
equivalent to 2.3 million barrels)
of fresh
water per year from the Athabasca river.
From 1961 to 2005, the thickness
of «small» glaciers decreased approximately 12
meters, or the
equivalent of more than 9,000 cubic kilometers
of water.
Where the sea is 3,000
meters deep, wouldn't that be
equivalent to raising 3,000 m ^ 3
of water 2 mm?