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Areal vs Dasymetric - What's the difference?

areal | dasymetric |

As a noun areal

is area (pocket of land).

As an adjective dasymetric is

of or relating to a method of thematic mapping that uses areal symbols to classify volumetric data in a spatial manner.

areal

English

Adjective

(-)
  • Of or pertaining to an area.
    • areal interstices — the areas or spaces inclosed by the reticulate vessels of leaves
  • * 2004 , Scott Mueller, Upgrading and Repairing Laptops , page 307,
    • Areal' density is often used as a technology growth-rate indicator for the hard disk drive industry. '''''Areal density is defined as the product of the linear bits per inch (bpil, measured along the length of the tracks around the disk, multiplied by the number of tracks per inch (tpi), measured radially on the disk (see Figure 9.1).
  • * 2009 , Sydney Lou Bonnick, Bone Densitometry in Clinical Practice: Application and Interpretation , page 157,
    • It should be clear then, that BMD[Bone Mineral Density] measurements with DXA[Dual-energy X-ray Absorptiometry] are two-dimensional or areal' measurements, whereas BMD measurements with QCT[Quantitative Computed Tomography] are three-dimensional or volumetric. Because DXA measurements are ' areal , bone size can affect the apparent BMD.
  • * 2010 , Tarek Ahmed, Reservoir Engineering Handbook , page 985,
    • The areal sweep efficiency EA is defined as the fraction of the total flood pattern that is contacted by the displacing fluid.

    dasymetric

    English

    Adjective

    (-) (Dasymetric map)
  • Of or relating to a method of thematic mapping that uses areal symbols to classify volumetric data in a spatial manner.