Postcards from Google Earth

Postcards from the front.

HAVING written a book on the British Army’s use of horses from 1875 to 1925 (Winton 2013), I read with great interest the feature article by C. Trenton Boyd and Bruce Vivash Jones, ‘Postcards from the Front’ (VR, February 21, 2015, vol 176, pp 192-194). The postcard collection was quite amazing. There are, however, a number of points made in the article on which I would make comment. One might ...

Fish Farms at Sea: The Ground Truth from Google Earth

In the face of global overfishing of wild-caught seafood, ocean fish farming has augmented the supply of fresh fish to western markets and become one of the fastest growing global industries. Accurate reporting of quantities of wild-caught fish has been problematic and we questioned whether similar discrepancies in data exist in statistics for farmed fish production. In the Mediterranean Sea, o...

Visualizing structural geology: From Excel to Google Earth

Object Oriented Road Dection from Google Earth Imagery

TONG Biao Nowdays, extracting road network from high-resolution RS imagery has became a hotspot. However, the high price of remote sensing images, especially restricts this application in many fields. Google Earth (GE) is a popular free software for browsing satellite images on the Web[2], which provides a considerable number of highresolution satellite images. This article describes the method...

پایگاه هاى اطلاعات جغرافیایى جهانى مطالعه موردى Google Earth

 پایگاه هاى اطلاعات جغرافیایى که بر اساس ساختارى سیستمى ایجاد مى‏ گردد، شرایطى را بوجود آورده است تا در قالب شبکه جهانى وب براى کاربران امکانى فراهم شود که در سایت هاى دور از هم برقرارى محاوره و بهره‏ بردارى انجام گیرد. سایت هاى وب، امکان دسترسى به انواع اطلاعات درباره عوارض را به صورت مدارک گرافیکى و متن ایجاد مى ‏نمایند. پایگاه هاى اطلاعات جغرافیایى جهانى معمولاً با اهداف مختلف ایجاد شده و توس...