摘要:

AbstractThe eighth Conference of Commonwealth Survey Officers, the fifth since the War, was held at the Department of Geography, Cambridge, from Monday July 22nd to Wednesday July 31st. It was attended by over 300 delegates, an increase of 50 per cent on the 1959 Conference, but the total numbers present at any one session never exceeded 200. About half the delegates came from overseas, mostly from Commonwealth Survey departments, and most of these stayed for the whole Conference. Many were nationals of newly independent countries and they made a substantial contribution to the discussions. There were representatives of several European countries, a particularly strong party from the United States, and a six-man delegation from South Africa. About 40 members were present for the whole time. While the majority of all delegates were from Government departments, the universities and commercial firms were also well represented. Most of the delegates stayed in Pembroke and Emmanuel Colleges; those with wives stayed either in hotels or hostels, but took lunch and dinner in College. Altogether 50 wives were present, a considerable increase on previous occasions; and in addition to the usual sightseeing tours round Cambridge a special all-day trip by river to Ely and back was arranged for them.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.202

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

摘要:

Abstract1. Curiously enough, one of the most difficult problems in precise levelling is the transfer of level across a wide water surface, especially if this surface is subject to strong motion such as is the case in rivers or inlets of the sea. Transfer of level is necessary to close loops across estuaries, or to connect islands or isolated tide-gauges to the first-order levelling network.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.212

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

摘要:

AbstractThe Danish polar vesselThala Dan(Captain H. C. Petersen) sailed from Melbourne on January 5th, 1961, to relieve the Australian scientific stations at Davis and Mawson and to carry out exploratory and scientific work along the coast of Enderby Land. The purpose of the writer's inclusion in the expedition was twofold; to obtain an appreciation of the conditions in which the Antarctic surveyors operate, and to carry out hydrographic surveys at Davis and Mawson. Mr. D. R. Carstens, licensed surveyor, was also included in the expedition to assist in all surveying activities.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.221

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

摘要:

AbstractThis is an important survey problem. In the past, theory alone has been used to justify systems of weighting with a wide variation between possible extreme values—varying inversely as the distance to varying inversely as the square of the distance. A statistical approach is used here to examine practical realities. The result is excellent justification for the simpler rule.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.228

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

摘要:

AbstractA quick solution is possible by using the angles only to govern shape, and the measured lengths only to govern size.The theory of the method is derived and applied to an example previously used by other contributors.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.236

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

摘要:

AbstractThe investigation which follows was undertaken in order to clarify some confusion regarding the elliptical equal-area projection attributed to Hammer. In the course of this investigation a number of new equal-area projections of the sphere were discovered. These projections are all bounded by a circle or an ellipse. The resulting maps are of some theoretical interest and are attractive in appearance, though the angular distortion (as measured by Tissot's indicatrix) exceeds that of already available projections.

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.240

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.244

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.246

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor

ISSN:0039-6265    

DOI:10.1179/sre.1964.17.131.248

出版商:Taylor&Francis    

年代:1964

数据来源: Taylor