Accelaration gravity change at the latitude and heigth above sea level.
An approximate value for g, at a given latitude and height above sea level, may be calculated from the formula:
g = 9.780 327 (1 + A sin2 L - B sin2 2L) - 3.086 × 10-6 H m·s-2
where:A = 0.005 302 4The uncertainty in the value of g so obtained is generally less than ±5 parts in 105.
B = 0.000 005 8
L = latitude
H = height in metres above sea level
Reference site:
Un valor aproximado para "g" a una latitud y altitud sobre el nivel del mar puede ser calculado por la siguiente formula:
g = 9.780 327 (1 + A sin2 L - B sin2 2L) - 3.086 × 10-6 H m·s-2
where:A = 0.005 302 4
B = 0.000 005 8
L = latitude
H = height in metres above sea level
La incertitumbre en el valor "g" obtenido es generalmente menor que ±5 parts in 105.
WEB site for reference:
http://www.npl.co.uk/reference/faqs/how-can-i-determine-my-local-values-of-gravitational-acceleration-and-altitude-%28faq-pressure%29
Reference : BRITISH GEOLOGICAL SURVEY
WEB SITE: http://www.bgs.ac.uk/data/gravAndMag.html
For Potosi, Bolivia, the Highest Capital city on the World: 19.5º South ; 3960 meters above sea level.
Probably at India or Tibet there are too highlands.
Para Potosí , ciudad, se adoptó :19.5 ° Latitud Sud., Altitud media 3.960 metros sobre nivel del mar.
g = 9,780 327 (1+A sin2L-Bsin^22L)-3.086x10^-6.H
Donde A = 0.005 302 4
B= 0.000 0058
L= Latitud
H=Altitud
Resultando g = 9.787 m/s2 Potosí , Bolivia Localidad : ciudad
British Geological Survey ( Servicio Geológico Británico)
