London��s foundationsprotecting the geodiversity of the capital

Earth Sciences

Barron, Hugh ; Thompson, Joanna ; Aldiss, Don ; Woods, Mark ; Harrison, Anna

Greater London Authority

学科分类：地球科学(综合)

来源: NERC Open Research Archive

【 摘 要 】

This bulletin contains the monthly preliminary observatory results, published to meet the needs of all users of geomagnetic data. Magnetic observatory data are presented as a series of plots of one-minute, hourly and daily values, followed by a table of monthly values. The operation of the observatory and presentation of data are described in the introduction.