Sentences with phrase «year intervals rather»

About 1.2 million years ago, the sedimentation rate accelerated — the same time that Earth's ice ages began to occur more intensely at 100,000 - year intervals rather than in 40,000 - year cycles.

Not exact matches

Rather than use a single threshold for earthquake magnitude, he ran several statistical analyses using different magnitude thresholds, looking for patterns in quakes over various intervals ranging in length from months to years — and found nothing.

But whatever the source of the stellar noise, Gilliland says that Kepler will have to detect twice as many transits of Earth - like analogues than planned — an average of six passages per planet rather than three, at intervals of roughly a year — to be sure that a dip in starlight is a true signal of an Earth - sized body.

Modern car cooling systems are designed to be almost maintenance free, so you should only need to drain and replace it after a long interval (e.g. the 11 years you quote), rather than every two years with older systems - obviously you should...

Depending on the type of investment, you can either contribute to your RRSP early in the year (for fixed income investments) or at regular intervals throughout the year (for most mutual funds) rather than at the end of the contribution year — that way, you can benefit from income sheltering and dollar cost averaging (for investments that fluctuate in value).

Heavy sea ice distribution occurred almost each year following, but since 1980 widespread and long - lasting sea ice off Iceland took place (sic) at rather irregular intervals».

By using a longer analysis interval of 50 years, and one - in - ten year, rather than one - in - 100 year, floods, Selma Guerreiro and colleagues teased out a strong north - south divide.