Eriksson_1986_humidity: Humidity according to polygons from the Swedish National...

In Silviculturalist/forester: Forest Science and Forestry

Humidity according to polygons from the Swedish National Forest Inventory.

Description

Provides simple interface for an estimation of the humidity during the vegetation period for Swedish sites.

The humidity during the vegetation period is 'the difference between precipitation amount and 'real' evapotranspiration.'.

Usage

Eriksson_1986_humidity(latitude, longitude, epsg = 4326)

Arguments

latitude	Latitude degrees
longitude	Longitude degrees
epsg	Reference system, default 4326 (WGS84). For SWEREF99TM, 3006.

Value

Humidity during the vegetation period (mm).

Source

The polygons delineating contour lines were provided from the Swedish National Forest Inventory. These polygons origins are unknown, but are very close to fig. 34 'Humidity during the vegetation period (mm)' from Eriksson, B. (1986) Nederbörds- och humiditetsklimatet i Sverige under vegetationsperiod. Sveriges Meterologiska och Hydrologiska Institut (SMHI), rapporter i meteorologi och klimatologi (RMK) 46. Available: https://www.smhi.se/polopoly_fs/1.166663!/RMK_46%20Nederbörds-%20och%20humiditetsklimat%20i%20Sverige%20under%20vegetationsperioden..pdf

Examples

Eriksson_1986_humidity(latitude = 64.4,longitude = 17.8,epsg=4326)

Silviculturalist/forester documentation built on April 20, 2024, 2:13 p.m.