Hydrological drought is
based on both precipitation and temperature, which affect the amount of soil moisture.
You mention possible ways to get empirical data to either validate or falsify your hypothesis regarding wind intensity
based on precipitation.
Performance is assessed
based on precipitation extremes indices and results from a generalized extreme value analysis applied to annual precipitation maxima.
Wettest Spring on record, since 1895,
based on precipitation, for each 5km - by - 5 km pixel in the contiguous United States.
Driest Spring on record, since 1895,
based on precipitation, for each 5km - by - 5 km pixel in the contiguous United States.
«Forecasts of stream flow are largely
based on precipitation,» Woodhouse said.
Not exact matches
The Weather Channel partnered with Pantene to promote hair products
based on the humidity and with Michaels to advertise craft supplies hinged
on precipitation.
They studied 4,578 recipes from 93 cookbooks
on traditional, meat -
based cuisines of 36 countries; the temperature and
precipitation levels of each country; the horticultural ranges of 43 spice plants; and the antibacterial properties of each spice.
The Hoover Dam, for instance, was designed
based on a 30 - year period that had markedly higher
precipitation levels than today.
Carbon dioxide levels in lakes are often high and vary widely from lake to lake
based on factors such as the type of nearby ecosystem, land use such as agriculture, sizes of the lake and watershed, amount of
precipitation, and because some types of soils and rocks absorb more CO2 than others.
If the temperatures during the runoff season — March to July — were cooler than average, streamflow was higher than expected
on the
basis of winter
precipitation alone, the team found.
However, when runoff - season temperatures were above average, streamflow was less than expected
on the
basis of winter
precipitation.
They used these location data to define each species» ecological niche
based on four conditions: temperature,
precipitation, elevation, and vegetation.
It turned out that the latter assertion was
based on temperature readings from just three American weather stations and
precipitation data from one.
Based on research led by University of Cincinnati geologist Eva Enkelmann in the St. Elias Mountain Range — located along the Pacific coastal region of North America — the way a mountain range moves and behaves topographically can also change and create its local climate by redirecting wind and
precipitation.
Given the revised timeline in this region, Willenbring and colleagues determined that the increased
precipitation resulted from changes in the intensity of the sun's radiation
on the Earth, which is
based on the planet's tilt in orbit.
To identify extreme weather events, the researchers relied
on county and calendar day specific thresholds for
precipitation and maximum temperature (90th and 95th percentile, respectively) that were calculated
based on 30 years of baseline data (1960 - 1989).
Based on over a decade of asthma hospitalization data (115,923 cases from 2000 - 2012), researchers observed higher risk of asthma hospitalization after extreme heat or extreme
precipitation events.
While Mora's models,
based on yearly average temperatures, don't forecast monthly highs, lows or
precipitation changes, they do show warming trends.
«Our study has found evidence to the contrary, suggesting that in fact, the future long - term trend
based on paleoclimate reconstructions is likely towards diminishing
precipitation, with no relief in the form of increased Mediterranean storms, the primary source of annual
precipitation to the region, in the foreseeable future.»
To test that notion, Wurtsbaugh and his colleagues recreated the climate around the Great Salt Lake for 170 years,
based on historical
precipitation, stream level records, and tree ring data.
The maps below represent
precipitation percent of normal (left) and
precipitation percentiles (right)
based on the GHCN dataset of land surface stations using a
base period of 1961 — 1990.
Based on these figures, I suppose that the West Greenland ice melting was larger in the 1930 - 1950 period than in the 1985 - 2005 period... Alternative explanations may be that the Greenland ice melting has nothing to do with temperature, but with more insolation (less clouds), less
precipitation, more soot deposit,...
It is
based on the misconception that the factor preferring isotopes is at the «
precipitation / freeze» end of the process when it is actually at the evaporation end, i.e. not dependent
on local conditions
on the ice sheet.
Issued January 13, 2016: This temperature and
precipitation analysis is
based on data back to 1895, resulting in 121 years of data.
Climate zones are
based on natural vegetation groupings,
precipitation patterns, and temperature distribution.
Xie, P., and P.A. Arkin, 1997: Global
precipitation: A 17 - year monthly analysis
based on gauge observations, satellite estimates, and numerical model outputs.
«The rising risk results from decreases in
precipitation,
based on 16 leading climate models, and increases in water demand,
based on current growth trends.
Greater numbers of plant species in ruderal
based environments were found in equatorial areas where the level of water (represented by mean annual
precipitation) related variables are high, whereas competitive and stress tolerant
based plant environments were found in locations where energy (represented by mean annual temperature) are expressed with greater weight acting
on the distribution.
Mean temperature, mean monthly
precipitation, frequency of hot / cold days / nights, and indices of extreme
precipitation are all estimated for each country
based on observed and modeled data.
The Democrats
on the committee are staying true to form, as well, overstating the findings in a recent Nature paper to try — in a way that will surely backfire — to build urgency
based on extreme
precipitation patterns.
The authors speculate that the main reason hurricanes show this delta is that more of the
precipitation is coming from high altitude (depleted in O - 18
based on gravitational potential) and in the form of large drops that do not have time to equilibrate wrt O - 18 in lower regions of the cloud as they fall.
Based on these figures, I suppose that the West Greenland ice melting was larger in the 1930 - 1950 period than in the 1985 - 2005 period... Alternative explanations may be that the Greenland ice melting has nothing to do with temperature, but with more insolation (less clouds), less
precipitation, more soot deposit,...
These results are
based on a comparison of observed and multi-model simulated changes in extreme
precipitation over the latter half of the twentieth century analyzed with an optimal fingerprinting technique.
A La Niña event,
based on the temperature values
on a graph, appears to be an El Niño of the opposite sign, and for some regional responses in temperature and
precipitation that is true.
The paper, which is
based on a collection of interviews conducted with indigenous leaders in the Brazilian Amazon, says that native populations are reporting shifts in
precipitation patterns, humidity, river levels, temperature, and fire and agricultural cycles.
Dr. Pieter Tans has a better formula,
based on the response of oceans and vegetation
on temperature changes ánd
precipitation.
Accordingly, there is less certainty about the changes in frequency and intensity of tropical cyclones
on a regional
basis than for temperature and
precipitation changes.
Chen, M. Y., Xie, P. P., Janowiak, J. E. & Arkin, P. A. Global land
precipitation: a 50 - yr monthly analysis
based on gauge observations.
I can say that we are reasonably confident about lower - tropospheric humidity in ERA - Interim, especially over land areas,
based on the quality of the
precipitation estimates generated by the model - see Dee et al QJ 2011 (http://onlinelibrary.wiley.com/doi/10.1002/qj.828/abstract).
Evidence that extreme
precipitation is increasing is
based primarily
on analysis1, 2,3 of hourly and daily
precipitation observations from the U.S. Cooperative Observer Network, and is supported by observed increases in atmospheric water vapor.4 Recent publications have projected an increase in extreme
precipitation events, 1,5 with some areas getting larger increases6 and some getting decreases.7, 2
The
precipitation over the same period from Seattle RainWatch (
based on calibrated radar data) shows a profound rainshadow NE of the Olympics, but 1.5 - 2 inches along the western Cascade slopes.
Despite the complexity of global food supply, here we show that simple measures of growing season temperatures and
precipitation — spatial averages
based on the locations of each crop — explain ~ 30 % or more of year - to - year variations in global average yields for the world's six most widely grown crops.
The four climate variables were the first two axes of two principal components analyses (PCA), one
based on the 12 monthly mean temperatures and one
on the 12 monthly
precipitations, respectively (Fig.
Even in «low emission» climate scenarios (forecasts that are
based on the assumption that future carbon dioxide emissions will increase relatively slowly), models predict
precipitation may decline by 20 - 25 percent over most of California, southern Nevada, and Arizona by the end of this century.
It is
based on temperature and
precipitation readings taken at weather stations around the country from 1895 to 1987.
California's Blue Oaks are sensitive to changes in
precipitation, and
based on their tree rings scientists have reconstructed California's
precipitation anomalies.
I had stated that globally the rate of evaporation and
precipitation increase at the same rate as the humidity of saturation, that is, by 8 % per 1 °C
based on a roughly constant residence time, but this is false:
When a dendro can point to a tree ring and say «
Based on this ring, formed in 1657, we know the annual temperature for the region, the
precipitation, the natural fertilization rate and the amount of sunlight the tree received,» they have got something!
PRISM Time - series Mapping: Generation of a time series of 30 arc - second maps of temperature and
precipitation in British Columbia
on a monthly
basis.