Not exact matches
The researchers believe the greening is a response to
higher atmospheric carbon dioxide inducing decreases in plant stomatal conductance — the measure of the rate of passage of carbon dioxide entering, or water vapor exiting, through the stomata of a leaf — and increases in soil water, thus enhancing
vegetation growth.
For example, scientists have shown a connection between the rapid warming of the Arctic region to the increase in terrestrial gross primary productivity (
vegetation growth) in
high latitudes.
CO2 has a well - known seasonality with concentration minima in late summer, at the end of the
vegetation and leaf
growth season, and
higher levels during winter.
Other than possibly slightly
higher sea levels, I see a lot of good coming from increased vegetative
growth, and more arable land for
vegetation to grow in.
In the Arctic, the tipping points identified in the new report, published on Friday, include:
growth in
vegetation on tundra, which replaces reflective snow and ice with darker
vegetation, thus absorbing more heat;
higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.»
Higher runoff is expected to mobilise fertilisers and pesticides to water bodies in regions where their application time and low
vegetation growth coincide with an increase in runoff (Soil and Water Conservation Society, 2003).
The comparison found that climate change will spark a
growth in
high - latitude
vegetation, which will pull in more carbon from the atmosphere than thawing permafrost will release.
Analysis of satellite - sensed
vegetation greenness and meteorological station data suggest an enhanced plant
growth and lengthened growing season duration at northern
high latitudes since the 1980s (Zhou et al., 2001, 2003c).
The remaining slow drift to lower GMT and pCO2 over glacial time, punctuated by
higher - frequency variability and the dust − climate feedbacks, may reflect the consequences of the
growth of continental ice sheets via albedo increases (also from
vegetation changes) and increased CO2 dissolution in the ocean from cooling.
Huge, explosive fires are becoming commonplace, say many experts, because climate change is setting the stage — bringing
higher temperatures, widespread drought, earlier snowmelt and spring
vegetation growth, and expanded insect and disease infestations.