Download A Manual of Lake Morphometry by Dr. Lars Håkanson (auth.) PDF

By Dr. Lars Håkanson (auth.)

Show description

Read or Download A Manual of Lake Morphometry PDF

Best geology books

Earth, Water, Ice and Fire: Two Hundred Years of Geological Research in the English Lake District (Geological Society of London Memoir No. 25)

Memoir 25. Earth, Water, Ice and fireplace: two hundred Years of Geological learn within the English Lake District. a close examine of geological examine within the Lake District from the top of the 18th century to the tip of 2000. This quantity exhibits, by means of ancient exposition, how the fashionable realizing of the stratigraphy and the geological background and constitution of a particular quarter has been completed.

The Desert: Lands of Lost Borders

From unending sand dunes and prickly cacti to shimmering mirages and eco-friendly oases, deserts evoke contradictory photos in us. they're lands of desolation, but in addition of romance, of blistering Mojave warmth and biting Gobi chilly. masking 1 / 4 of the earth’s land mass and delivering a house to part a thousand million humans, they're either a actual truth and landscapes of the brain.

Extra info for A Manual of Lake Morphometry

Example text

It also agrees, at least as well as any other classification system, with the prevalent linguistic usage. The distribution of islands, islets and rocks in Lake Vanern is shown in Tables 16 and 17. The geographical positions of the given archipelago areas in Lake Vanern are illustrated on Fig. 34. The total number of identified objects on the Economic maps in scale 1:10 000 is 21 685, out of which 813 are islands and large islands. 9 %) consists of islands and large islands. Fresh-water archipelagos are quite rare on the earth and these areas in Lake Vanern make up a splendid recreation potential.

It is SW - NE in Lake Vanern. ~~g~ (10 in km); can be determined with map measurer (Fig. 23), or better with CTP-technique (= checkered transparent paper), (see Hakanson, 1978a). The manual for determinations of shoreline length with CTP-technique is accordingly: 1. e. the lake area plus the total area of islands, is assumed to be known. A = S 893 km for Lake Vanern. 2. The optimal map scale for the determination of the shoreline length is given by: S 'V 36 S SOO-vA (13) where s = the scale factor, equal to liS, where S is the map scale.

0013 km3 P P (a); the slope for an arbitrary station in a lake may be detennined directly from the e cho gram , provided the track follows the same direction as the major slope axis, which can be detennined from the bathymetric map. The slope is given in degrees (ao) or preferably as a percentage (ap) of the height versus the length (see Fig. 28). The slope between two contour lines in the bathymetric map can be detennined from the formula (see Fig. ~ a 46 p = 20 • a " (21) (m) o tg 20 «0. Ot07 y ..

Download PDF sample

Rated 4.64 of 5 – based on 33 votes