Application of Landsat satellite imagery to monitor land‐cover changes at the Athabasca Oil Sands,Alberta, Canada

A major advantage of satellite remote sensing is that the imagery acquired provides a synoptic view of the landscape. Thus, repeat coverage by the satellite on a regular basis permits the detection of changes in land‐cover over time. This study demonstrates the application of remote sensing technology to the monitoring of mining activities at the Athabasca Oil Sands region of Alberta, Canada. First, we describe the techniques used to match a time sequence of Landsat imagery, both spatially and spectrally, to ensure that the spectral changes through time are due to land‐cover variations. A series of spectral trajectories were then extracted to assess changes in land‐cover through time. Secondly, a land‐cover classification was produced from the baseline 1984 imagery and, using historic and future mine extents, the classification was analyzed to determine the proportion of each land‐cover type affected through development. Results of the analysis indicate that since 1984 there has been a larger reduction in mixedwood dense and broadleaf vegetation classes than mixedwood sparse or dense conifer stands in the area. Based on the delineations of mine‐site activity, the area of woodland and wetland habitat subject to development has increased from approximately 2,520 hectare (ha) in 1984 to 32,930 ha in 2005.     

清代广州外销画中的瓷器烧造图研究——以瑞典隆德大学图书馆收藏为例

瑞典隆德大学(Lund University)图书馆收藏的一套50幅的中国瓷器烧造图,是18世纪上半期绘制于广州的早期外销画作品,由瑞典东印度公司首任大班坎贝尔从广州购回,是目前所知的数量最多的一套瓷器烧造图。这套广州外销画的早期图册,为我们了解早期外销画的发展、早期中瑞贸易史、瑞典早期远东科学考察史以及中国瓷器生产史,提供了非常珍贵的图像资料,其历史价值和文化价值值得肯定。     

Exploring the Conditions for Cooperative Energy Governance: A Comparative Study of Two Asian Pipelines

A central but often unasked question in political and sociological scholarship concerns the conditions that precipitate cooperation on large-scale transnational energy projects, especially among “developing” and “emerging” economies. Using the example of two multi-billion dollar pipeline systems – the Trans-ASEAN Natural Gas Pipeline (TAGP) Network in Southeast Asia and Baku-Tbilisi-Ceyhan (BTC) Pipeline in the Caspian Sea – this article explores the factors that result in successfully completed projects, and those that lead to conflict and contention. After drawing from extensive research interviews and field research, the article approaches politics and technology through the lens of science and technology studies. It relies on the interdisciplinary concepts of “relevant social group” and “technological frame” to identify coalitions of actors associated with each pipeline project. The paper then investigates the interests and motivations behind these groups to illuminate the challenges facing the TAGP and those that accelerated the completion of the BTC. The paper concludes by offering some thoughts on the diverse elements needed to incentivise cross-border energy infrastructure, and what these may mean for energy and public policy scholars.     

Wine and olive oil permeation in pitched and non-pitched ceramics: relation with results from archaeological amphorae from Sagalassos,Turkey

Pitch compounds are frequently identified inside archaeological ceramic vessels. As their presence might affect the permeation of oil or wine into the ceramic fabric, experiments were conducted in which the diffusion of lipids or polyphenols into pitched and non-pitched modern vessels was followed by chemical analysis. Results show that the polyphenols of wine can intrude into the ceramics even through a pitch layer. Consequently, the absence of polyphenols in archaeological sherds is not due to their inability to reach the ceramic matrix under the pitch layer. By contrast, a pitch layer is quite effective to avoid oil intrusion into the ceramic matrix. Thus, it seems logical that oil amphorae would have been coated with pitch at the inside prior to use. Experiments in which the pitched ceramic was simultaneously exposed to oil and wine, show that the wine makes the pitch more permeable for the lipid compounds. These experimental data are confronted with residue analysis results obtained on amphorae fragments excavated in Sagalassos, Turkey. Pitch and oil were frequently found together. Based on a polyphenol test, indications for wine storage could only be obtained for two vessels. Against this background, the possible uses of the Sagalassos amphorae are discussed, and the traditional association of pine pitch with wine storage in archaeological amphorae is critically assessed.     

Provenance of Zhangzhou export blue-and-white and its clay source

Trace element compositions of 25 shards of Chinese Late Ming export blue-and-white porcelain from Zhangzhou and Jingdezhen kilns are analysed by Inductively Coupled Plasma Mass Spectrometry. Principle components analysis and REE distribution curves are used to establish method for provenance unknown Chinese export blue-and-white porcelain which may have originated from Zhangzhou or Jingdezhen kilns. By matching the REE distribution curves of Zhangzhou kiln samples and parent rocks of the possible clay sources used to make Zhangzhou blue-and-white, and comparing it with previous results of geological, geochemical and archaeological researches, the clay used for producing Zhangzhou export blue-and-white has been identified as having been collected from the weathered shells of a nearby potassium feldspar miarolitic granite outcrop.     

Russia's Kosovo: A Critical Geopolitics of the August 2008 War over South Ossetia

A noted political geographer presents an analysis of the August 2008 South Ossetian war. He analyzes the conflict from a critical geopolitical perspective sensitive to the importance of localized context and agency in world affairs and to the limitations of state-centric logics in capturing the connectivities, flows, and attachments that transcend state borders and characterize specific locations. The paper traces the historical antecedents to the August 2008 conflict and identifies major factors that led to it, including legacies of past violence, the Georgian president's aggressive style of leadership, and renewed Russian "great power" aspirations under Putin. The Kosovo case created normative precedents available for opportunistic localization. The author then focuses on the events of August 2008 and the competing storylines promoted by the Georgian and Russian governments. Journal of Economic Literature, Classification Numbers: H10, I31, O18, P30. 7 figures, 2 tables, 137 references.     

The Russian Stabilization Fund and Its Successor: Implications for Inflation

A senior Japanese specialist on Russia's economy and its oil- and gas-producing sectors analyzes the functions and performance of the Stabilization Fund of the Russian Federation and the new system replacing it in 2008. The Fund, created to diminish the effects of possible future decreases in oil prices on federal budget revenues and to absorb excess liquidity in the economy, was expected to exert a major curb on inflation. The author investigates the extent to which the latter, inflation-fighting role of the Fund has been fulfilled, given increases in the country's money supply and in state-regulated prices within the natural monopolies. Journal of Economic Literature, Classification Numbers: E50, E62, H20, H60. 4 figures, 5 tables, 25 references.     

The Booming Russo-Japanese Economic Relations

A noted Japanese economist analyzes the history, present status, and future prospects for Russo-Japanese economic relations. The author demonstrates that the boom in trade between the two countries in the 2000s is unprecedented, ending the stagnation in bilateral trade that began in the early 1980s, when the era of large-scale Siberian resource development projects came to an end. He argues that underlying the current boom is an eastward shift in the Russian economy, characterized by its energy and investment policies as well as foreign economic relations. The paper considers in detail two important factors supporting this boom: (1) Japan’s exports of automobiles to Russia; and (2) Russia’s exports of oil and gas to Japan. He concludes with a guardedly optimistic prognosis suggesting growth in the bilateral economic relations on the grounds of the continuing eastward shift of the Russian economy and a marked correspondence between the demand and supply of the two countries. Journal of Economic Literature, Classification Numbers: F140, O520, P280, Q430. 7 figures, 4 tables, 50 references.     

An oasis in a watery desert? Discourses on an industrial ecosystem in the Gulf of Mexico Rigs‐to‐Reefs program

This article explores how in the years after 1980 a spectrum of historical actors came to see petroleum platforms in the Gulf of Mexico as a necessary part of the Gulf ecosystem and how such views affected platform removal policies. Through a discourse analysis of the Rigs‐to‐Reefs program, in which old offshore petroleum facilities were converted into artificial reefs, this article examines how actors presented to the public their notions of the relationship of the Gulf ecosystem with technological offshore structures. Through this case we see how ideas of technology and nature were mutually constructed via discourses and what affect that had on policies.     

The Euro-Arab Dialogue 1973–1978: Britain Reinsurance Policy In The Middle East Conflict

The Euro-Arab Dialogue (EAD) was launched in the aftermath the Arab Israeli Yom Kippur War of 1973 by Nine European countries and the Arabs. The main objective was to create a stable, long-term relationship between the two regions. Despite its political intent, the framework of the Dialogue was restricted to multilateral economic co-operation in selected areas for reciprocal benefits. Due to inevitable obstacles, after almost five years of engagements, the Dialogue seemed to be progressing slowly with the development of only a few practical projects. Nevertheless, the British remained committed to the initiative, which they viewed as supplementary to their successful existing bilateral relationships, as well as an inexpensive but effective way to maintain their political and economic interests in the Arab world. Through historical analysis, this paper examines the British attitude and perspective towards the Dialogue from 1973 to 1978, mainly using archival documents available at the National Archive in England.