Sentences with phrase «provide sufficient observations»
New satellite observations from the Gravity Recovery and Climate Experiment (GRACE; launched in March, 2002 and administered by NASA and Deutsches Zentrum fà 1/4 r Luft - und Raumfahrt, GRACE will map Earth's gravity field approximately once every 30 days during its lifetime) should soon provide sufficient observations of the redistribution of water mass to more fully describe the causes of recent sea - level change.
http://www.realclimate.org/ Not exact matches
The exclusive use of direct observation as an evaluation procedure presumes that observable, overt teaching actions provide a sufficient basis for judging a teacher's adequacy, even though teaching may not be just a set of observable performances or behaviors.
Its large number of observations (32,800 in 2008 and 55,400 in 2010) provide sufficient samples of the non-immigrant sub-population, with 339 non-citizen respondents in 2008 and 489 in 2010.
With regard to the sample size required for valid application of this modeling approach, we are hesitant to speak of sufficient sample sizes, since a large number of observations with little score variation over time (as in our second empirical application) does not necessarily provide richer information than a smaller sample with more fluctuations.