Results 11 to 20 of about 11,370 (181)

Solstice: An Electronic Journal of Geography and Mathematics, Volume XX, Number 1 [PDF]

open access: yes, 2009
This document was delivered over the internet. The .zip file contains all static images, animated images, and text files.The purpose of Solstice is to promote interaction between geography and mathematics.
Ard, Kerry   +3 more
core   +7 more sources

Solstice: An Electronic Journal of Geography and Mathematics, Volume XX, Number 2 [PDF]

open access: yes, 2009
This document was delivered over the internet. The .zip file contains all static and animated images..The purpose of Solstice is to promote interaction between geography and mathematics.
Austin, Robert F.   +2 more
core   +7 more sources

Solstice: An Electronic Journal of Geography and Mathematics, Volume XII, Number 2 [PDF]

open access: yes, 2001
This document was delivered over the internet.As of August, 2024, the most current and correct set of files is contained in the full volume .zip file.
Tobler, Waldo Rudolph   +2 more
core   +7 more sources

Solstice: An Electronic Journal of Geography and Mathematics, Volume XIX, Number 2

open access: yes, 2008
This document was delivered over the internet. The .zip file contains all static images, animated images, and text files.The purpose of Solstice is to promote interaction between geography and mathematics.
Batty, Michael   +2 more
core   +7 more sources

Analysis of the Ionospheric Irregularities and Phase Scintillation at Low and Middle Latitudes Based on Swarm Observations

open access: yesRemote Sensing, 2022
This study presents a statistical analysis of the ionospheric irregularities and topside ionospheric scintillation at low and middle latitudes by using in situ electron density and upward-looking total electron content data measured by the Swarm ...
Jiawei Kuai   +8 more
doaj   +1 more source

Images from a Historic Building Survey and Watching Brief at The Old Vicarage, Ovingham 2017-2020

open access: yes, 2021
This collection comprises images from a Historic Building Survey and then a Watching Brief. After an initial Heritage Impact Assessment at The Old Vicarage, Ovingham.
Solstice Heritage
core   +1 more source

Determination of the satellite signals time delay caused by the ionospheric influence during the year 2022 [PDF]

open access: yesTehnika, 2023
Multi-frequency GNSS satellite signals and their availability enable research in undifferentiated and uncombined models in which a single signal at each frequency is a corresponding independent observation.
Petković Dušan S.   +3 more
doaj  

Study on Seasonal Variations of Plasma Bubble Occurrence over Hong Kong Area Using GNSS Observations

open access: yesRemote Sensing, 2020
In this study, the characteristics and causes of the seasonal variations in plasma bubble occurrence over the Hong Kong area were investigated using the local Global Navigation Satellite System (GNSS) network. Generally, the occurrences of plasma bubbles
Long Tang   +3 more
doaj   +1 more source

The Hemispheric Asymmetry of Gravity Wave Impact on the Polar Mesospheric Cloud, Based on the Aeronomy of Ice in the Mesosphere Satellite

open access: yesAtmosphere, 2023
In this research, we analyze the gravity wave (GW) energy density, ice water content (IWC), particle radius, and cloud albedo data of 16 polar mesospheric cloud (PMC) seasons in the Northern Hemisphere (NH) from 2007 to 2014 and Southern Hemisphere (SH ...
Shican Qiu   +5 more
doaj   +1 more source

Archaeoastronomy in ancient Helvetia: the theater, the temple and the city of Aventicum (Avenches) [PDF]

open access: yesArchaeoastronomy and Ancient Technologies, 2019
This article presents our discovery of the astronomical orientation of the city of Aventicum, the capital of ancient Roman Helvetia, where the sacred complex formed by the Temple of the Cigognier and the Theater were oriented along the axis that links ...
De Franceschini, M., Veneziano, G.
doaj   +1 more source

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