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Steven M. Anderson,C. J. Anderson-Wu 세계문화관광학회 2012 International Journal of Culture and tourism Resea Vol.5 No.1
The fast growth of the Shida Night Bazaar in recent years brings up a number of issues that actually have existed in many cities in Taiwan but never caused serious clashes between the residents and stall owners. Stalls and stands set up in residential areas without complete legal status have been tolerated in Taiwan’s many neighborhoods and by the local governments, considering they absorb the increasing population of unemployed. The “informal spaces” became characteristic cityscapes throughout Taiwan. As the city government attempts to promote tourism and to transform Taipei into a “World Design Capital”, the resulting shopping and tourism have led to an intolerable disturbance of the local people’s daily lives. Along with the sprawl of small businesses in narrow alleys, the problems of urban zoning and the absence of law enforcement have become issues. The discrepancy between the reality and the image the city government tried to construct also raised questions about the false promises of tourism and urban gentrification.
Michalak, Anna M.,Anderson, Eric J.,Beletsky, Dmitry,Boland, Steven,Bosch, Nathan S.,Bridgeman, Thomas B.,Chaffin, Justin D.,Cho, Kyunghwa,Confesor, Rem,Daloğ,lu, Irem,DePinto, Joseph V.,Evans, M National Academy of Sciences 2013 PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF Vol.110 No.16
<P>In 2011, Lake Erie experienced the largest harmful algal bloom in its recorded history, with a peak intensity over three times greater than any previously observed bloom. Here we show that long-term trends in agricultural practices are consistent with increasing phosphorus loading to the western basin of the lake, and that these trends, coupled with meteorological conditions in spring 2011, produced record-breaking nutrient loads. An extended period of weak lake circulation then led to abnormally long residence times that incubated the bloom, and warm and quiescent conditions after bloom onset allowed algae to remain near the top of the water column and prevented flushing of nutrients from the system. We further find that all of these factors are consistent with expected future conditions. If a scientifically guided management plan to mitigate these impacts is not implemented, we can therefore expect this bloom to be a harbinger of future blooms in Lake Erie.</P>
Unstitching the Nanoscopic Mystery of Zeolite Crystal Formation
Brent, Rhea,Cubillas, Pablo,Stevens, Sam M.,Jelfs, Kim E.,Umemura, Ayako,Gebbie, James T.,Slater, Ben,Terasaki, Osamu,Holden, Mark A.,Anderson, Michael W. American Chemical Society 2010 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.132 No.39
<P>A molecular-scale understanding of crystal growth is critical to the development of important materials such as pharmaceuticals, semiconductors and catalysts. Only recently has this been possible with the advent of atomic force microscopy that permits observation of nanoscopic features on solid surfaces under a liquid or solution environment. This allows <I>in situ</I> measurement of important chemical transformations such as crystal growth and dissolution. Further, the microscope can access not only an accurate height measurement of surface topography, important to deduce structural elements, but also the forces involved during nanoscopic processes. We have discovered that it is possible to use these features to “illuminate” critical nanoscopic chemical events at crystal surfaces and at the same time extract the associated energies and unstitch the details of the stepwise mechanism of growth and dissolution. This approach has been developed using nanoporous crystals of the heterogeneous catalyst zeolite L; however, in principle the approach could be adapted to many crystal growth problems.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2010/jacsat.2010.132.issue-39/ja105593v/production/images/medium/ja-2010-05593v_0015.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja105593v'>ACS Electronic Supporting Info</A></P>
LSST: From Science Drivers to Reference Design and Anticipated Data Products
Ivezić,, Ž,eljko,Kahn, Steven M.,Tyson, J. Anthony,Abel, Bob,Acosta, Emily,Allsman, Robyn,Alonso, David,AlSayyad, Yusra,Anderson, Scott F.,Andrew, John,P. Angel, James Roger,Angeli, George Z American Astronomical Society 2019 The Astrophysical journal Vol.873 No.2
A review of fine structures of nanoporous materials as evidenced by microscopic methods.
Liu, Zheng,Fujita, Nobuhisa,Miyasaka, Keiichi,Han, Lu,Stevens, Sam M,Suga, Mitsuo,Asahina, Shunsuke,Slater, Ben,Xiao, Changhong,Sakamoto, Yasuhiro,Anderson, Michael W,Ryoo, Ryong,Terasaki, Osamu Oxford University Press 2013 Microscopy Vol.62 No.1
<P>This paper reviews diverse capabilities offered by modern electron microscopy techniques in studying fine structures of nanoporous crystals such as zeolites, silica mesoporous crystals, metal organic frameworks and yolk-shell materials. For the case of silica mesoporous crystals, new approaches that have been developed recently to determine the three-dimensionally periodic average structure, e.g., through self-consistent analysis of electron microscope images or through consideration of accidental extinctions, are presented. Various structural deviations in nanoporous materials from their average structures including intergrowth, surface termination, incommensurate modulation, quasicrystal and defects are demonstrated. Ibidem observations of the scanning electron microscope and atomic force microscope give information about the zeolite-crystal-growth mechanism, and an energy for unstitching a building-unit from a crystal surface is directly observed by an anatomic force microscope. It is argued how these observations lead to a deeper understanding of the materials.</P>
A Cenozoic record of the equatorial Pacific carbonate compensation depth
P채like, Heiko,Lyle, Mitchell W.,Nishi, Hiroshi,Raffi, Isabella,Ridgwell, Andy,Gamage, Kusali,Klaus, Adam,Acton, Gary,Anderson, Louise,Backman, Jan,Baldauf, Jack,Beltran, Catherine,Bohaty, Steven M.,Bo Nature Publishing Group, a division of Macmillan P 2012 Nature Vol.488 No.7413
Atmospheric carbon dioxide concentrations and climate are regulated on geological timescales by the balance between carbon input from volcanic and metamorphic outgassing and its removal by weathering feedbacks; these feedbacks involve the erosion of silicate rocks and organic-carbon-bearing rocks. The integrated effect of these processes is reflected in the calcium carbonate compensation depth, which is the oceanic depth at which calcium carbonate is dissolved. Here we present a carbonate accumulation record that covers the past 53 million years from a depth transect in the equatorial Pacific Ocean. The carbonate compensation depth tracks long-term ocean cooling, deepening from 3.0??3.5??kilometres during the early Cenozoic (approximately 55??million years ago) to 4.6 kilometres at present, consistent with an overall Cenozoic increase in weathering. We find large superimposed fluctuations in carbonate compensation depth during the middle and late Eocene. Using Earth system models, we identify changes in weathering and the mode of organic-carbon delivery as two key processes to explain these large-scale Eocene fluctuations of the carbonate compensation depth.