Sentences with phrase «during previous observations»

During previous observations, principals took notes to create a «script» of a teacher's lesson.

After 50 hours of seeing none during previous observations, the team now spotted them frequently, including, one time, a «double burst» of signals only 23 seconds apart.

Not exact matches

Previous ground - based observations characterized all the possible targets in each field (Deleuil et al. 2009); during the target selection, this allowed preference to be given to likely dwarf stars and hence to maximize the probability of finding a transiting planet.

Their results do not deviate much from previous work when it comes to the most recent period with modern instrumental observations, but Shapiro et al. obtain substantially lower radiance during the Maunder minimum than previous estimates.

Satellite observations of the Greenland ice sheet, which are made daily, have shown that the period when snow melted during 2006 was 10 days longer than the average for the previous 18 years.

The GRACE observations over Antarctica suggest a near - zero change due to combined ice and solid earth mass redistribution; the magnitude of our GIA correction is substantially smaller than previous models have suggested and hence we produce a systematically lower estimate of ice mass change from GRACE data: we estimate that Antarctica has lost 69 ± 18 Gigatonnes per year (Gt / yr) into the oceans over 2002 - 2010 — equivalent to +0.19 mm / yr globally - averaged sea level change, or about 6 % of the sea - level change during that period.

Morison and Untersteiner (University of Washington); 5.6 Million Square Kilometers; Heuristic Estimate is based on recent observations, including the previous winter Arctic Oscillation (AO), ice concentrations observed during North Pole Environmental Observatory (NPEO) hydro surveys, atmospheric and ice surface conditions observed with NPEO buoys and Web Cams, and recent ice trajectories.

Actual visual observations of sea ice recently made from aircraft during buoy deployment operations over the Arctic by the Naval Oceanographic Office and National Guard confirm that the ice cover is noticeably thinner and that it is more fractured than in previous years.

With the Canadian led IPY - CFL sampling program, new highlights on winter ecological processes and confirmation of some of the earlier observations made during previous and scarce overwintering scientific studies help to refine our understanding of the structure and functioning of the arctic marine ecosystem.

«ARCTIC: Data finds seawater temperature decrease that spells trouble Data from the Catlin Arctic Survey 2011, collected during an eight - week expedition from March to May, indicates the temperature of Arctic seawater below 200 metres depth has decreased by a «surprising» one degree Celsius compared to previous observations.

Further details of the procedure and intervention effects on behavior observed during this procedure are presented elsewhere.30, 40 Of note, others have shown that similar peer entry paradigms are stressful for preschoolers.7, 13 Consistent with previous reports, observations of child peer entry and play behavior40 in the current study sample confirmed the stressful nature of the task.

In another study, observations of peer victimization during class time predicted restricted growth within one academic year on students» state - based standardized reading achievement test scores, after statistical control of their previous reading achievement test scores, ADHD symptom severity, and ability grouping (i.e., tracking) in their classroom [30].