By looking at this more closely, they hoped to discover
how rainfall trends might be linked to the Sahara's growth over time, according to Thomas.
Not exact matches
While the
trends associated with climate change — hotter days, heavier
rainfall and a greater number of extreme weather events — are present in the models, for many crops in Africa and Asia it's not clear
how extensive the effects will be.
Such
trends mean scientists and policymakers will have to factor in
how synthetic climate forcers other than greenhouse gases will change temperature,
rainfall and weather extremes.
John, You say that the BoM map of the
trend in
rainfall in southeastern Australia since 1970 «demonstrates
how much drier the climate has become over the period in which warming has been observed.»
These differences between projected and observed
trends in
rainfall seem to raise serious questions about the ability of the models to predict changes in
rainfall — though Iâ $ ™ d be interested in CSIRO views, especially on whether it is appropriate to use successive 11 - year averages as measures of outcome and, if it is not,
how the relationship between projections and outcome should be monitored.
This comment on ENSO link to
rainfall and drought reminded me of a recent WUWT post where they point out
how sea levels have a negative
trend over (gasp) the last 2 years.