The phrase "covering a time span" is a correct and usable phrase in written English.
You can use it to describe an event, period, or sequence that extends over a specific period of time. For example, "The history of this city covers a time span of more than two hundred years."
In the present work, successional plant and soil dynamics on abandoned gypsum quarries were studied, using the chronosequences approach covering a time span of 70 years.
Within this organizational framework the Loss Prevention Symposium series, organized throughout Europe on behalf of the Loss Prevention Working Party of the EFCE, represents a fruitful tradition covering a time span of forty years.
This paper presents 15 exposures covering a time span of the last 44 ka, which were documented in the field and of which seven exposures were soil-chemical analyzed regarding soil texture, organic matter, as well as carbonate and iron content.
The present metabolomics data describe five time points covering a time span of 96 hr and thus embraces both critical time points captured by RNAseq.
Here, we report the detailed analysis of the genotypic population structure of Planktothrix spp. in Lake Zürich, Switzerland, covering a time span of almost 30 years, which was facilitated by the isolation of DNA from phytoplankton preserved on filters.
There is an astonishing conservation of different P. acnes phage genomes, with a nucleotide identity higher than 85%, despite their isolation from different countries (England, Sweden, and USA) and different times of isolation covering a time span of more than 30 years.
At the time of writing, there are 31 composite images available covering a time-span of 18 years.
At the same time, an insight into the sedimentation rate due to the overall slope processes, covering a time-span of about 5 ka, was given.
First, patient diagnosis from both our UCLA and meta-datasets spans decades, covering a time period in which the diagnostic tools for MPNST detection were greatly improved.
Other studies, albeit smaller and covering a shorter time span, are consistent with a dramatic increase in CTPA use [ 6, 7].
Pollard and Heron pointed out the implications of this issue in 1996: "most kiln sources are characterized by at best a hundred analyses, probably covering a range of "qualities" of vessels produced, a range of vessel types, and, possibly, a time span of tens or even hundreds of years.
