A homogeneous aa index: 1. Secular variation
نویسندگان
چکیده
منابع مشابه
Growth variation, final height and secular trend
Growth and body height have always been interesting topics in the public opinion. Particularly the stupendous increase of some 15 to 19 cm in final adult height during the last 150 years in most European countries (the “secular trend”), the concomitant changes in body and head proportions, the tendency towards early onset of sexual maturation, the changes in the age when final height is being r...
متن کاملCompatibility of magnetic imprinting and secular variation
to reach sexual maturity [7] and is thus absent from its natal area for much longer than animals such as salmon and elephant seals [2,3]. Given this long absence, the Kemp’s ridley appears to be particularly susceptible to effects of secular variation if it relies on magnetic imprinting. The modeling results we report here show that the magnetic imprinting hypothesis can account for how the Kem...
متن کاملReclaiming the Secular: Developing Dialogic Skills for a Post-Secular Society
This research paper addresses secularization from both political and religious perspectives. One of its manifestations in the political sphere is that of globalization that can lead to alienation within society; and in the United Kingdom this is exemplified by Brexit. Within the religious sphere secularization is usually couched in oppositional terms. This paper reclaims the original use ...
متن کاملSecular trends in the body mass index of Canadian children.
BACKGROUND Various changes in society have created the opportunity for more sedentary behaviour and the consumption of food that is high in kilojoules, which may lead to a progressive increase in body mass over time. The purpose of this study was to examine secular changes in the body mass index (BMI) of Canadian children between 1981 and 1996. METHODS Nationally representative data from the ...
متن کاملPolynomial Modelling of Southern African Secular Variation Observations Since 2005
The COMPASS (COmprehensive Magnetic Processes under the African Southern Sub-continent) program forms part of a collaboration project between Germany and South Africa, called Inkaba ye Africa, and aims to investigate the regional geomagnetic field in this area, particularly its evolutionary behaviour. Results obtained from field surveys conducted by the Hermanus Magnetic Observatory (HMO) and ...
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ژورنال
عنوان ژورنال: Journal of Space Weather and Space Climate
سال: 2018
ISSN: 2115-7251
DOI: 10.1051/swsc/2018038