at the datum

USAGE SUMMARY

The phrase "at the datum" is correct and usable in written English.
It can be used in contexts related to data analysis, statistics, or scientific research when referring to a specific point of data. Example: "The results of the experiment were analyzed at the datum to ensure accuracy in the findings."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Initial pressure: 1,200 psia at the datum depth (1,727 ft or 526.4 m subsea).

Journal of Petroleum Exploration and Production Technology

The initial reservoir pressure and temperature at the datum depth of 1767.8 m (below sea level) have been 392.9 bar and 103 °C, respectively.

Journal of Petroleum Exploration and Production Technology

The model initialization properties are as follows: Initial pressure: 1,200 psia at the datum depth (1,727 ft or 526.4 m subsea) Initial gas oil contact (GOC): −220 ft or 67.0 m subsea (i.e., top of the reservoir) Initial water oil contact (WOC): 2,160 ft or 658.4 m subsea.

Journal of Petroleum Exploration and Production Technology

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The datum at full length is the global <img src="http://journals.plos.org/plosone/article/asset?id=info?doi/10.1371/journal.pone.0007553.e169.PNG" class= inline-graphic"/> for the chromosome.

Plosone

AIC is used as the information criterion under the assumptions that the error distribution of the datum at each time point is normal and that its variance is the same as the variance among the time series data.

Bioinformatics and Biology Insights

W v (t) is then the weight vector of neuron v at time t, while D t) encodes for the datum presented to the map at time t.

Cognitive Computation

Line scans were conducted along lines ABCD and EFG shown in Figure 2a with the interval of the datum points at approximately 2 nm.

Nanoscale Research Letters

A "difference" (a "distinction") is just a discrete state, namely a datum, and "making a difference" simply means that the datum is "meaningful", at least potentially.

SEP

In the middle- to low-latitude areas on the Pacific side of the central Japanese Islands, the nannofossil assemblages were dominated by the subtropical group Discoaster spp. in ca. 4 2 Ma, without the "Datum A" event at 2.75 Ma, but no such subtropical group is found on the Japan Sea side (Sato et al. 2002).

Progress in Earth and Planetary Science

Receivers are set at line A A′ (blue line) on the datum.

Earth, Planets and Space

A mean filter with kernel size r × c can be viewed as a window of size r × c centered at an original datum, and replacing the datum (pixel) with the average of all pixels in the window.

BMC Systems Biology

Expert writing Tips

Best practice

When using "at the datum" in technical writing, clearly define what the datum represents to avoid ambiguity. For example, specify whether it's a sea level, a reference point on a map, or a baseline in a scientific experiment.

Common error

Avoid assuming that all readers understand the specific datum being referenced. Always provide context or a definition, especially when writing for a general audience or across disciplines.

Linguistic Context

The phrase "at the datum" primarily functions as a prepositional phrase, modifying nouns or clauses by specifying a location or reference point. Ludwig's examples show it used to define pressure levels, depths, or other measurable quantities in relation to a specific datum.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "at the datum" is a prepositional phrase used to specify a reference point, typically in technical or scientific contexts. Ludwig AI confirms that the phrase is grammatically correct and provides examples from journals and news sources. The phrase appears with uncommon frequency and is used to define parameters like pressure and depth. When using "at the datum", it is crucial to define the datum clearly to avoid ambiguity. Alternatives such as "at the reference point" or "relative to the datum" can be used depending on the context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at the reference point

Replaces "datum" with a more general term for a point of reference.

with respect to the datum

Emphasizes the relational aspect of the datum as a reference.

relative to the datum

Highlights the comparative nature of measurements based on the datum.

at the baseline

Uses "baseline" as a synonym for "datum", indicating a starting point.

on the datum plane

Specifies a plane rather than a point as the reference.

at the zero level

Indicates the datum is set as the zero or starting level.

from the datum

Highlights the datum as the origin from which measurements are taken.

referenced to the datum

Emphasizes that something is being measured or compared against the datum.

at the point of origin

Uses a more descriptive term for the datum as the starting point.

at the standard level

Uses 'standard level' instead of datum to indicate the origin of measurement

FAQs

How is "at the datum" used in scientific contexts?

In scientific research, "at the datum" typically indicates a reference point or baseline used for measurements and comparisons. This could refer to pressure levels, sea levels, or any standardized level from which data is collected.

What does it mean to reference something "at the datum" in surveying?

In surveying, referencing something "at the datum" means relating a measurement or position to a known reference point, often sea level or a specific geodetic datum. This ensures consistency and accuracy in spatial measurements.

Are there common alternatives to using "at the datum"?

Yes, you can use alternatives like "at the reference point", "relative to the datum", or "at the baseline" depending on the specific context and desired level of formality.

Why is it important to define the datum when using the phrase "at the datum"?

Defining the datum is crucial because the term can have different meanings in different fields (e.g., surveying, engineering, statistics). Clarifying the datum ensures that your audience understands the specific reference point you are using for measurements and comparisons.