Not exact matches
Armed with information about
rainfall, temperature and
soil conditions, the startup created comprehensive maps of conditions in the fields — the type of intel farmers once had to gather
by traversing every acre under production, manually noting any changes they observed.
As an orchard keeper and chile grower, Nabhan has committed to do his share to curve the growing trend of climate change
by conserving water between
rainfalls, growing regional - appropriate crops, such as drought and heat - tolerant heirlooms, and
soil - building.
After
soil preparation, the site is surrounded
by a berm (raised
soil) that will hold water during flood irrigating or after
rainfall.
It provides nutrients for plants, energy and nutrients for
soil microorganisms that make nutrients available to plants, and promotes a robust
soil structure that can better withstand
rainfall extremes and hold water for use
by plants.
However, new UMN research published in Environmental Research Letters found that regardless of
soil fertility or
rainfall amounts, the single variable that was
by far the strongest determinant of how much a shrub grew in a given year was the temperature in June.
On the other hand, climate change scenarios estimate that the
soil loss rates may increase
by 10 - 15 %
by 2050 due to an analogous increase of
rainfall - induced erosion in Europe.
This killed plants, and
soil was stripped
by rainfall and washed into the sea.
Amazonian
soils, in turn, are short on phosphorus and other critical nutrients that get washed away
by the basin's frequent and heavy
rainfall.
By replacing vegetative cover's moist
soil, which contributes water vapor to the atmosphere to help generate
rainfall, with bare, shiny desert
soil that merely reflects sunlight directly back into space, the capacity for
rainfall is diminished.
In Namibia of southwestern Africa, the sparse grasslands that develop on deep sandy
soils under
rainfall between 50 and 100 mm per annum are punctuated
by thousands of quasi-circular bare spots, usually surrounded
by a ring of taller grass.
After a period of
rainfall, the organism returns to the
soil surface, where it releases large numbers of arthroconidia which are spread
by the wind.
BNPB spokesperson Sutopo Purwo Nugroho said the Dayakan villagers reported the appearance of the cracks on Wednesday after hearing thunderous sounds emanating from underground during heavy
rainfall, followed
by the formation of cracks in
soil across the village.
The year - round warm sunny days tempered
by gentle trade winds, perfect amount of
rainfall and rich volcanic
soils on the slopes of the West Maui Mountains is a major reason that Maui Gold ® grows so well on the lands above the Kapalua Resort.
Not all of these shade trees will be well suited to your yard, as the length of the growing season, the frost dates, the temperatures, the annual
rainfall, and the type of
soil in your yard will all vary
by location.
In June 2008, a record flood event exceeded the once - in -500-year flood level
by more than 5 feet, causing $ 5 to $ 6 billion in damages from flooding, or more than $ 40,000 per resident of the city of Cedar Rapids.85 The flood inundated much of the downtown, damaging more than 4,000 structures, including 80 % of government offices, and displacing 25,000 people.86 The record flood at Cedar Rapids was the result of low reservoir capacity and extreme
rainfall on
soil already saturated from unusually wet conditions.
Drought is expected to occur 20 - 40 percent more often in most of Australia over the coming decades.6, 18 If our heat - trapping emissions continue to rise at high rates, 19 more severe droughts are projected for eastern Australia in the first half of this century.6, 17 And droughts may occur up to 40 percent more often in southeast Australia
by 2070.2 Unless we act now to curb global warming emissions, most regions of the country are expected to suffer exceptionally low
soil moisture at almost double the frequency that they do now.3 Studies suggest that climate change is helping to weaken the trade winds over the Pacific Ocean, with the potential to change
rainfall patterns in the region, including Australia.20, 21,16,22
Natural processes changed the timing and magnitude of
soil moisture, streamflow, and groundwater deficits
by up to several years, and caused the amplification of
rainfall declines in streamflow to be greater than in normal dry years.
Food availability could be threatened through direct climate impacts on crops and livestock from increased flooding, drought, shifts in the timing and amount of
rainfall, and high temperatures, or indirectly through increased
soil erosion from more frequent heavy storms or through increased pest and disease pressure on crops and livestock caused
by warmer temperatures and other changes in climatic conditions.
A team of Berkeley Lab researchers has performed molecular level analysis of desert biological
soil crusts — living ground cover formed
by microbial communities — to reveal how long - dormant cyanobacteria become activated
by rainfall then resume dormancy when the precipitation stops.
These services — which include biodiversity maintenance,
rainfall generation, carbon sequestration, and
soil stabilization, among others — have traditionally been undervalued
by markets, but there are signs that the situation is changing.
A one per cent increase in
rainfall intensity is estimated to result in
soil loss from crop lands
by 1.5 per cent.
Another contributing factor was evapotranspiration from the land surface, which is found to have acted as an important moisture source and was likely enhanced
by antecedent
rainfall that increased
soil moisture over the northern Great Plains.
In this century alone — between 2001 and 2012 — an estimated 35.9 bn metric tons of
soil was displaced each year, mostly washed away
by rainfall.
Perhaps, for example,
rainfall decreased when
soils were dried up
by overgrazing, and perhaps cold spells followed an increase in smoke from volcanic eruptions.
Coupling strength (a nondimensional pattern similarity diagnostic defined in Koster et al., 2006) between summer
rainfall and
soil water in models assessed
by the GLACE study (Guo et al., 2006), divided into how strongly
soil water causes evaporation (including from plants) and how strongly this evaporation causes
rainfall.
An unconfined aquifer is recharged directly
by local
rainfall, rivers and lakes, and the rate of recharge will be influenced
by the permeability of the overlying rocks and
soils.
Not only do the excessive numbers of cattle, and particularly sheep and goats, remove the vegetation, but their hoofs pulverize the protective crust of
soil that is formed
by rainfall and that naturally checks wind erosion.