Your observation that paleo records tend to miss the shorter term variations seen in instrumental records is interesting, as this weakness would lead to
doubtful conclusions that past centuries saw less climate variability than we now observe (Shaun Lovejoy article in Climate Etc. in January 2013).
Not exact matches
It's probably
doubtful that Trump's review will come to this
conclusion.
Dutton's
conclusion was that «it is
doubtful if anyone else would have done much better, Churchill included», and that «Chamberlain was doing what many of his critics complain he was reluctant to do - following expert advice.»
While no other studies have reached the same
conclusion — and until much more research is done on the topic, we remain rather
doubtful that prekindergarten or even elementary math achievement can accurately predict college graduation — it is clear that there is often a link between math achievement and overall student success.
It's
doubtful we will come to a
conclusion in real - time on the attribution of this event — or any event — without significant research, better tools / models, and observations.
I would encourage the
doubtful to check out the IPCC website, which contains a 2216 - page pdf explaining exactly why we think climate change is real, the various methods we have used to come to this
conclusion, the problems with those methods, how we have combined the results from those methods, etc..
Additional support for this
conclusion arguably is provided by the established principles that: (i) «any ambiguities or
doubtful expressions in the wording of the treaty or document must be resolved in favour of the Indians»; and (ii) «any limitations which restrict the rights of Indians under treaties must be narrowly construed» (Badger, above).