Morphometry


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Morphometry

 

quantitative description of the relief of the earth’s surface. The basic morphometric indexes are numerical measures of relief forms: linear, areal, and volumetric measures, absolute and relative elevations of individual geomorphological regions, the depth and density of dissection, and abstract indexes (coefficient of meandering of a river channel, coastline, and the like). Morphometric data are usually obtained by processing topographical maps, but the use of aerial photographs is also possible (employing stereophotogrammetric methods). Special morphometric maps or sets of maps are compiled on the basis of the measurements and computations made. Morphometric data are essential for planning structures, roads, steps to combat erosion, and the like.

References in periodicals archive ?
Alternatively, the well-preserved scarps and low depth-diameter morphometry for both the North Bloody Creek structures might possibly be the product of impact onto thin, stagnant glacial ice (Spooner et al.
Morphometry of the lower lumbar vertebrae in patients with and without low back pain.
Representative immunohistochemical detection and automated morphometry analysis of apoptotic cells are shown in Fig.
Data for the morphometry of the injured area and number of blood vessels analysis were evaluated by twoway analysis of variance, followed by the post hoc Student-Newman-Keuls method.
Use of nuclear morphometry, Gleason histologic scoring, clinical stage, and age to predict disease-free survival among patients with prostate cancer.
However, as the research literature focuses ever more closely on the specific population genetics or morphometry of this or that species, a global overview from such an experienced author is welcome, especially from one who can work with the full range of evidence.
Pardoe and his colleagues have used voxel-based morphometry to show it's feasibility in CAE and they found the results can be discrepant between unrelated centers even if they run the same
Lung imaging biomarkers include: Volumetry, Attenuation Analysis, Texture Classification, Fibrosis Scoring, Dynamic Imaging, Airway Morphometry, and Fissure Integrity Scoring.
At similar time points negative replicas were taken and evaluated by semi-automated morphometry.
The samples were tested for hantavirus; animals with positive test results were identified taxonomically by morphometry and molecular analysis of mitochondrial DNA (cytochrome b gene) (10,11).
geometric morphometry and molecular analysis of polymorphic markers.