Not exact matches
The
mean width of a ring in any one tree is a function of many variables,
including the tree species, tree age, availability of stored food within the tree and of important nutrients in the soil, and a whole complex of climatic factors (sunshine,
precipitation, temperature, wind speed, humidity, and their distribution througnout the year).
«Since the AR4, there is some new limited direct evidence for an anthropogenic influence on extreme
precipitation,
including a formal detection and attribution study and indirect evidence that extreme
precipitation would be expected to have increased given the evidence of anthropogenic influence on various aspects of the global hydrological cycle and high confidence that the intensity of extreme
precipitation events will increase with warming, at a rate well exceeding that of the
mean precipitation..
These twelve - month running -
mean time series of
precipitation amounts averaged over continental land areas and the European sub-regions
include values from JRA - 55 and values available to date from ERA5, the reanalysis currently in production to supersede ERA - Interim.
* This
means that the maximum 12 - month magnitude of the
precipitation deficits in California during the current drought have exceeded those during all previous droughts in living memory —
including both the 1976 - 1977 and 1987 - 1992 events.
The competition indexes (BA, stand basal area; BAL, basal area of larger trees; SDI, stand density index) were entered into the models separately, and the three climate variables (MWMT,
mean warmest month temperature; MCMT,
mean coldest month temperature; MAP,
mean annual
precipitation) were
included in the models simultaneously.
However, considerable evidence (8 ⇓ ⇓ — 11, 31 ⇓ — 33) simultaneously suggests that the response of northeastern Pacific atmospheric circulation to anthropogenic warming is likely to be complex and spatiotemporally inhomogeneous, and that changes in the atmospheric
mean state may not be reflective of changes in the risk of extreme events (
including atmospheric configurations conducive to
precipitation extremes).
The
mean average width of a tree ring in any one tree is a function of many variables
including the tree species, tree age, availability of stored food carbohydrates in the tree, nutrients in the soil, and climatic factors
including sunlight,
precipitation, temperature, wind speed, humidity, and their distribution througnout the year even carbon dioxide availability in the atmosphere.
The
mean width of a ring in any one tree is a function of many variables,
including the tree species, tree age, availability of stored food within the tree and of important nutrients in the soil, and a whole complex of climatic factors (sunshine,
precipitation, temperature, wind speed, humidity, and their distribution througnout the year).
Pre-TAR AOGCM results held at the DDC were
included in a model intercomparison across the four SRES emissions scenarios (B1, B2, A2, and A1FI) of seasonal
mean temperature and
precipitation change for thirty - two world regions (Ruosteenoja et al., 2003).9 The inter-model range of changes by the end of the 21st century is summarised in Figure 2.6 for the A2 scenario, expressed as rates of change per century.
Variations in tree - ring widths from one year to the next have long been recognized as an important source of chronological and climatic information... The
mean width of a ring in any one tree is a function of many variables,
including the tree species, its age, the availability of stored nutrients in the tree and surrounding soil, and a host of climatic factors,
including temperature,
precipitation and availability of sunlight.