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Articles 1501 - 1530 of 2010
Full-Text Articles in Entire DC Network
Slides: Regulating Oil And Gas Emissions In The Denver Julesberg Basin, Garry Kaufman
Slides: Regulating Oil And Gas Emissions In The Denver Julesberg Basin, Garry Kaufman
Water and Air Quality Issues in Oil and Gas Development: The Evolving Framework of Regulation and Management (Martz Summer Conference, June 5-6)
Presenter: Garry Kaufman, Deputy Director, Colorado Air Pollution Control Division
25 slides
Climate Change And Forest Fires Synergistically Drive Widespread Melt Events Of The Greenland Ice Sheet, Kaitlin M. Keegan, Mary R. Albert, Joseph R. Mcconnell, Ian Baker
Climate Change And Forest Fires Synergistically Drive Widespread Melt Events Of The Greenland Ice Sheet, Kaitlin M. Keegan, Mary R. Albert, Joseph R. Mcconnell, Ian Baker
Dartmouth Scholarship
In July 2012, over 97% of the Greenland Ice Sheet experienced surface melt, the first widespread melt during the era of satellite remote sensing. Analysis of six Greenland shallow firn cores from the dry snow region confirms that the most recent prior widespread melt occurred in 1889. A firn core from the center of the ice sheet demonstrated that exceptionally warm temperatures combined with black carbon sediments from Northern Hemisphere forest fires reduced albedo below a critical threshold in the dry snow region, and caused the melting events in both 1889 and 2012. We use these data to project the …
Climate Planning In Politically Conservative Cities: A Case Study Of Seven Climate Action Plans, Coleman Moore Frick
Climate Planning In Politically Conservative Cities: A Case Study Of Seven Climate Action Plans, Coleman Moore Frick
Master's Theses
Current research indicates that the potential risks associated with human-induced climate change are likely to increase in frequency and intensity. Although there have been several attempts, no effective international treaty or policy has been enacted by the United States with the purpose of combating this global issue. In the past decade, local climate action plans (CAPs) have emerged as a planning solution designed to reduce greenhouse emissions (GHGs). Previous studies have examined CAP attributes, but no research has focused solely on climate planning in politically conservative jurisdictions. This research finds that of 245 CAPs completed to date nationally, approximately 90 …
Adapting Small-Farm Systems To Climate Change: Preliminary Results From Participatory Community Assessments In Bajura District, Nepal, D. Layne Coppock, Mahesh Shrestha, Nirmala Pandey, Arjun Basnet, Divakar Duwal, Dale Davis, Robert Gillies
Adapting Small-Farm Systems To Climate Change: Preliminary Results From Participatory Community Assessments In Bajura District, Nepal, D. Layne Coppock, Mahesh Shrestha, Nirmala Pandey, Arjun Basnet, Divakar Duwal, Dale Davis, Robert Gillies
Environment and Society Faculty Publications
Western Nepal is a remote region that is home to a wide variety of small farm and livestock production systems. Communities here lack direct access to a suitable road infrastructure, and thus are isolated from the modern world. Farm families are often poverty stricken. Western Nepal is also enduring significant climate change, resulting in warmer and drier conditions that affect crop and livestock productivity. Our research team used Participatory Rural Appraisal (PRA) to convene the members of four small-farm communities in Bajura District, identify their priority problems and analyze how the production systems function. We then connected the prioritized problems …
Seeking Information About Climate Change: Effects Of Media Use In An Extended Prism, Shirley S. Ho, Benjamin H. Detenber, Sonny Rosenthal, Edmund W. J. Lee
Seeking Information About Climate Change: Effects Of Media Use In An Extended Prism, Shirley S. Ho, Benjamin H. Detenber, Sonny Rosenthal, Edmund W. J. Lee
Research Collection College of Integrative Studies
This study replicates and extends the planned risk information seeking model (PRISM) in the context of impersonal risk by incorporating media use as an antecedent of risk information seeking intention. Results indicate that the model applies equally well to Singaporeans’ climate change information seeking intention as it does in the context of personal health information, suggesting that the model is generalizable across different risk and cultural contexts. Findings suggest that media use is an important source of perceived knowledge and, indirectly, sufficiency threshold, which clarifies the role of actual information seeking in risk perceptions and future information seeking.
Developing An Ontario Maple Syrup Sector Profile: A Value Chain Analysis (Executive Summary), Grant Morin, Brenda Murphy
Developing An Ontario Maple Syrup Sector Profile: A Value Chain Analysis (Executive Summary), Grant Morin, Brenda Murphy
Contemporary Studies
Through a sectorial profile, this study identifies the maple syrup value chain’s key players, processes, activities and inter-intra industry relationships (social capital) providing baseline data on the current status of the industry and an overall picture of the maple syrup value chain for members and new entrants. The study found that a) technological advancements over the years have lead to great efficiencies and eased the labour requirement; b) that strong social connections have great impact on marketing and retail of syrup; c) that innovation is found not only through research and development sectors of large companies but also from a …
Maple Syrup Value Systems And Value Chains - Considering Aboriginal And Non-Aboriginal Perspectives, Brenda Murphy, Annette Chrétien, Grant Morin
Maple Syrup Value Systems And Value Chains - Considering Aboriginal And Non-Aboriginal Perspectives, Brenda Murphy, Annette Chrétien, Grant Morin
Contemporary Studies
Harvested from both intensive sugar maple stands and diverse mixed forest ecosystems across Ontario, maple syrup is an important rural and Aboriginal non-timber forest product that contributes to social, economic and environmental sustainability. This paper presents our ongoing work to map Ontario’s maple syrup value system from two different perspectives, Aboriginal and non-Aboriginal. In the economic sense, analyses of value systems are useful for members to identify the opportunities and challenges they are facing to advance industry growth and innovation. In the social and environmental sense, these analyses provide a window into how different worldviews and belief systems can lead …
Reduction Of Transportation Greenhouse Gas Emissions To Mitigate Climate Change Impacts, Mary Snow, Richard Snow
Reduction Of Transportation Greenhouse Gas Emissions To Mitigate Climate Change Impacts, Mary Snow, Richard Snow
Publications
Weather affects almost all modes of transportation in a modern society, and likewise, transportation has an enormous impact on the weather. Transportation greenhouse gas emissions (GHG) impact climate change, which impacts transportation in return. Reduction of transportation impacts on climate change can mitigate the reverse climate change impacts on transportation. This paper examines the relationship between transportation and climate change and establishes prospective solutions to reduce transportation greenhouse gas emission impacts on climate change and mitigate the reverse climate change impacts on transportation.
Risky Business: Recommendations For The Insurance Industry To Contribute To Greater Disaster Risk Reduction And Climate Change Adaptation, Jessie G. Rountree
Risky Business: Recommendations For The Insurance Industry To Contribute To Greater Disaster Risk Reduction And Climate Change Adaptation, Jessie G. Rountree
Master's Projects and Capstones
The private insurance industry is susceptible to increasing risk from climate change and can serve as a catalyst to change behavior to minimize loss. The research examined the current impact and future potential of the insurance industry to reduce both physical and financial risk. The insurance industry currently raises awareness, assigns an economic value to risk, advocates for climate change action, and takes measures to reduce physical risk through mitigation. As well, the industry has proven to be a critical influencer to encourage risk-adverse behavior and regulation. Recommendations to the industry to have a greater impact include: 1) pursue more …
Carbon Sequestration In Tidal Salt Marshes And Mangrove Ecosystems, Carlos Eduardo Quintana-Alcantara
Carbon Sequestration In Tidal Salt Marshes And Mangrove Ecosystems, Carlos Eduardo Quintana-Alcantara
Master's Projects and Capstones
Wetlands are dynamic systems that provide support to vital environmental functions and services. Wetlands take part in the global carbon cycle by holding organic carbon in biomass, soils and sediments. In recent years, the wetland carbon sequestration capacity has been researched worldwide due to the increase of the concentrations of greenhouse gasses implicated in global warming and climate change. Although coastal wetlands release the greenhouse gasses carbon dioxide, methane and nitrous oxide, these ecosystems maintain high performance in offsetting significant amounts of atmospheric carbon. This paper investigated the carbon sequestration capacity of coastal wetland ecosystems summarizing the environmental conditions and …
Assessment Of Climate Variability Impact On Water Resources Within The Alabama River Basin, Adalumo Oluwatomiwa
Assessment Of Climate Variability Impact On Water Resources Within The Alabama River Basin, Adalumo Oluwatomiwa
College of Agriculture, Environment and Nutrition Sciences Graduate Theses and Dissertations
ABSTRACT
Assessment of Climate Variability Impacts on Water Resources within the Alabama River Basin By Adalumo Oluwatomiwa Olubamidele Global climate change and variability alters hydrologic cycles and regimes within watersheds, adversely impacting ecosystems, water resources, agriculture and environmental sustainability. Understanding and predicting the interactions between the water systems, climate change and land use are priority science need and challenge areas. Such assessment through the integration of various climate and hydrologic models will allow for the development of appropriate climate change impact adaptation solutions. This study aims at assessing historical climate variability impacts on water resources within the Alabama River Basin. …
Adapting To A Changing Climate: Local Drivers For Policy Response, Andrew J. Bilich
Adapting To A Changing Climate: Local Drivers For Policy Response, Andrew J. Bilich
Honors Scholar Theses
Responding to the present and looming effects of global climate change presents a challenging task for policymakers at all levels of governance. The outcomes of climate change do present serious adaptation problems for global policy makers, but the implications of climate change are more immediately experienced by local communities and policy makers. Historical policymaking models suggest that economic well-being is an influential driver in local policy adoption. This particular analysis explores the relationship between economic variables and the development of climate adaptation policies by Connecticut municipalities. To test the degree of interaction present, adaptation policy data in the form of …
Climate Change In Northern New Hampshire: Past, Present And Future, Cameron P. Wake, C. Keeley, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, Julie Labrance
Climate Change In Northern New Hampshire: Past, Present And Future, Cameron P. Wake, C. Keeley, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, Julie Labrance
The Sustainability Institute Publications
EARTH’S CLIMATE CHANGES. It always has and always will. However, an extensive and growing body of scientific evidence indicates that human activities—including the burning of fossil fuel (coal, oil, and natural gas) for energy, clearing of forested lands for agriculture, and raising livestock—are now the primary force driving change in the Earth’s climate system. This report describes how the climate of northern New Hampshire has changed over the past century and how the future climate of the region will be affected by a warmer planet due to human activities.
Climate Change In Southern New Hampshire: Past, Present And Future, Cameron P. Wake, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, C. Keeley, Julie Labranche
Climate Change In Southern New Hampshire: Past, Present And Future, Cameron P. Wake, Elizabeth A. Burakowski, Peter Wilkinson, Katharine Hayhoe, Anne Stoner, C. Keeley, Julie Labranche
The Sustainability Institute Publications
EARTH’S CLIMATE CHANGES. It always has and always will. However, an extensive and growing body of scientific evidence indicates that human activities—including the burning of fossil fuel (coal, oil, and natural gas) for energy, clearing of forested lands for agriculture, and raising livestock—are now the primary force driving change in the Earth’s climate system. This report describes how the climate of southern New Hampshire has changed over the past century and how the future climate of the region will be affected by a warmer planet due to human activities.
Water At The Centre Of Environmental Issues – Research At The Ucd Dooge Centre For Water Resources Research, Zeinab Bedri, Eva M. Mockler, Michael Bruen, Yaqian Zhao, Pj Purcell, John O'Sullivan, M. Alsaji, Aisling Corkery, Liam Doherty, M. Dzakpasu, M. Martins, A. Rymszewicz, L. Willuwet
Water At The Centre Of Environmental Issues – Research At The Ucd Dooge Centre For Water Resources Research, Zeinab Bedri, Eva M. Mockler, Michael Bruen, Yaqian Zhao, Pj Purcell, John O'Sullivan, M. Alsaji, Aisling Corkery, Liam Doherty, M. Dzakpasu, M. Martins, A. Rymszewicz, L. Willuwet
Conference papers
Since 1988, the UCD Dooge Centre for Water Resources Research has been conducting research in a wide range of water topics including hydraulics, hydrology, coastal dynamics and wastewater with an emphasis on multi-disciplinary collaboration. This paper presents an overview of this research, both past and present, and provides an outlook to the future research directions of the Centre.
Learning To Live With Changing Climate And Rising Sea Levels, Mitigation & Adaption Research Institute (Mari), Old Dominion University
Learning To Live With Changing Climate And Rising Sea Levels, Mitigation & Adaption Research Institute (Mari), Old Dominion University
MARI Documents
In support of the development of the Mitigation and Adaptation Research Institute, MARI, the proposal writing team developed a survey to elicit stakeholder comment. The survey was conducted using the internet-‐based survey tool, Qualtrics, hosted by Old Dominion University and was available from February 26 to March 21, 2014
The survey was distributed to approximately 550 stakeholders who were identified through their participation in previous climate change adaptation events, local government contacts and email lists. Recipients were asked to invite interested colleagues or other contacts to participate in the survey by forwarding the solicitation email. One hundred and eleven responses …
Exposure Of U.S. National Parks To Land Use And Climate Change 1900-2100, Andrew J. Hansen, Cory Davis, Jessica Haas, David M. Theobald, John E. Gross, William B. Monahan, Tom Olliff, Steven W. Running
Exposure Of U.S. National Parks To Land Use And Climate Change 1900-2100, Andrew J. Hansen, Cory Davis, Jessica Haas, David M. Theobald, John E. Gross, William B. Monahan, Tom Olliff, Steven W. Running
Ecosystem and Conservation Sciences Faculty Publications
Many protected areas may not be adequately safeguarding biodiversity from human activities on surrounding lands and global change. The magnitude of such change agents and the sensitivity of ecosystems to these agents vary among protected areas. Thus, there is a need to assess vulnerability across networks of protected areas to determine those most at risk and to lay the basis for developing effective adaptation strategies. We conducted an assessment of exposure of U.S. National Parks to climate and land use change and consequences for vegetation communities. We first defined park protected-area centered ecosystems (PACEs) based on ecological principles. We then …
Understanding The Global Energy Crisis, Eugene Coyle, Richard A. Simmons
Understanding The Global Energy Crisis, Eugene Coyle, Richard A. Simmons
Books/Book chapters
We are facing a global energy crisis caused by world population growth, an escalating increase in demand, and continued dependence on fossil-based fuels for generation. It is widely accepted that increases in greenhouse gas concentration levels, if not reversed, will result in major changes to world climate with consequential effects on our society and economy. This is just the kind of intractable problem that Purdue University’s Global Policy Research Institute seeks to address in the Purdue Studies in Public Policy series by promoting the engagement between policy makers and experts in fields such as engineering and technology.
Major steps forward …
Simple Climate Models To Illustrate How Bifurcations Can Alter Equilibria And Stability, Christopher M. Herald, Satoko Kurita, Aleksey S. Telyakovskiy
Simple Climate Models To Illustrate How Bifurcations Can Alter Equilibria And Stability, Christopher M. Herald, Satoko Kurita, Aleksey S. Telyakovskiy
Journal of Contemporary Water Research and Education
Climate change is, by its nature, a truly interdisciplinary topic. While college level science classes now frequently include exposure to climate change issues, not all science majors, math majors and future math K-12 teachers are likely to see climate issues in the course of their studies. Here we present one self-contained topic that can be presented to those students without requiring too much additional explanation about climate change issues. This case study also can serve to illustrate the rather sophisticated concept of a "tipping point" to a diverse science audience without advanced training in dynamical systems. We consider the effect …
The Effects Of Changing Winds And Temperatures On The Oceanography Of The Ross Sea In The 21st Century, Walker O. Smith, Michael S. Dinniman, Eileen E. Hofmann, John M. Klinck
The Effects Of Changing Winds And Temperatures On The Oceanography Of The Ross Sea In The 21st Century, Walker O. Smith, Michael S. Dinniman, Eileen E. Hofmann, John M. Klinck
CCPO Publications
The Ross Sea is critically important in regulating Antarctic sea ice and is biologically productive, which makes changes in the region's physical environment of global concern. We examined the effects of projected changes in atmospheric temperatures and winds on aspects of the ocean circulation likely important to primary production using a high-resolution sea ice-ocean-ice shelf model of the Ross Sea. The modeled summer sea-ice concentrations decreased by 56% by 2050 and 78% by 2100. The duration of shallow mixed layers over the continental shelf increased by 8.5 and 19.2days in 2050 and 2100, and the mean summer mixed layer depths …
Are Climate Model Simulations Useful For Forecasting Precipitation Trends? Hindcast And Synthetic-Data Experiments, Nir Y. Krakauer, Balázs M. Fekete
Are Climate Model Simulations Useful For Forecasting Precipitation Trends? Hindcast And Synthetic-Data Experiments, Nir Y. Krakauer, Balázs M. Fekete
Publications and Research
Water scientists and managers currently face the question of whether trends in climate variables that affect water supplies and hazards can be anticipated. We investigate to what extent climate model simulations may provide accurate forecasts of future hydrologic nonstationarity in the form of changes in precipitation amount. We compare gridded station observations (GPCC Full Data Product, 1901–2010) and climate model outputs (CMIP5 Historical and RCP8.5 simulations, 1901–2100) in real and syntheticdata hindcast experiments. The hindcast experiments show that imputing precipitation trends based on the climate model mean reduced the root mean square error of precipitation trend estimates for 1961–2010 by …
Ice Cores From The St. Elias Mountains, Yukon, Canada: Their Significance For Climate, Atmospheric Composition And Volcanism In The North Pacific Region, Christian Zdanowicz, David Fisher, Jocelyne Bourgeois, Mike Demuth, James Zheng, Paul A. Mayewiski, K Kreutz, Erich Osterberg, Kaplan Yalcin, Cameron P. Wake, Eric J. Steig, Duane Froese, Kumiko Goto-Azuma
Ice Cores From The St. Elias Mountains, Yukon, Canada: Their Significance For Climate, Atmospheric Composition And Volcanism In The North Pacific Region, Christian Zdanowicz, David Fisher, Jocelyne Bourgeois, Mike Demuth, James Zheng, Paul A. Mayewiski, K Kreutz, Erich Osterberg, Kaplan Yalcin, Cameron P. Wake, Eric J. Steig, Duane Froese, Kumiko Goto-Azuma
Dartmouth Scholarship
A major achievement in research supported by the Kluane Lake Research Station was the recovery, in 2001 –02, of a suite of cores from the icefields of the central St. Elias Mountains, Yukon, by teams of researchers from Canada, the United States, and Japan. This project led to the development of parallel, long (103 – 104 year) ice-core records of climate and atmospheric change over an altitudinal range of more than 2 km, from the Eclipse Icefield (3017 m) to the ice-covered plateau of Mt. Logan (5340 m). These efforts built on earlier work recovering single ice cores in this …
Bias Correction Can Modify Climate Model Simulated Precipitation Changes Without Adverse Effect On The Ensemble Mean, Edwin P. Maurer, David W. Pierce
Bias Correction Can Modify Climate Model Simulated Precipitation Changes Without Adverse Effect On The Ensemble Mean, Edwin P. Maurer, David W. Pierce
Civil, Environmental and Sustainable Engineering
When applied to remove climate model biases in precipitation, quantile mapping can in some settings modify the simulated difference in mean precipitation between two eras. This has important implications when the precipitation is used to drive an impacts model that is sensitive to changes in precipitation. The tendency of quantile mapping to alter model-predicted changes is demonstrated using synthetic precipitation distributions and elucidated with a simple theoretical analysis, which shows that the alteration of model-predicted changes can be controlled by the ratio of model to observed variance. To further evaluate the effects of quantile mapping in a more realistic setting, …
Climate Change Mitigation Policies: Implications For Agriculture And Water Resources, George B. Frisvold, Kazim Konyar
Climate Change Mitigation Policies: Implications For Agriculture And Water Resources, George B. Frisvold, Kazim Konyar
Journal of Contemporary Water Research and Education
This study examines how the proposed American Clean Energy and Security Act (H.R. 2454) would affect U.S. agriculture with special reference to water resources. The bill's cap and trade provisions for greenhouse gases would significantly raise fertilizer, irrigation pumping, and other energy-related costs. By 2030, it would reduce U.S. irrigation water use by >11 percent and fertilizer use by >18 percent with positive implications for water conservation and quality. Carbon offset provisions create financial incentives for farmers to sequester carbon by planting trees on cropland, reducing agricultural production and raising prices. Because sequestration potential differs by region, most of the …
Hurricane Preparedness: Community Vulnerability And Medically Fragile Populations, Joshua G. Behr, Rafael Diaz
Hurricane Preparedness: Community Vulnerability And Medically Fragile Populations, Joshua G. Behr, Rafael Diaz
VMASC Publications
No abstract provided.
Religion, Partisanship, And Attitudes Toward Science Policy, Ted G. Jelen, Linda A. Lockett
Religion, Partisanship, And Attitudes Toward Science Policy, Ted G. Jelen, Linda A. Lockett
Political Science Faculty Research
We examine issues involving science which have been contested in recent public debate. These “contested science” issues include human evolution, stem-cell research, and climate change. We find that few respondents evince consistently skeptical attitudes toward science issues, and that religious variables are generally strong predictors of attitudes toward individual issues. Furthermore, and contrary to analyses of elite discourse, partisan identification is not generally predictive of attitudes toward contested scientific issues.
Warming, Soil Moisture, And Loss Of Snow Increase Bromus Tectorum’S Population Growth Rate, Aldo Compagnoni, Peter B. Adler
Warming, Soil Moisture, And Loss Of Snow Increase Bromus Tectorum’S Population Growth Rate, Aldo Compagnoni, Peter B. Adler
Green Canyon Environmental Research Area, Logan Utah
Climate change threatens to exacerbate the impacts of invasive species. In temperate ecosystems, direct effects of warming may be compounded by dramatic reductions in winter snow cover. Cheatgrass (Bromus tectorum) is arguably the most destructive biological invader in basins of the North American Intermountain West, and warming could increase its performance through direct effects on demographic rates or through indirect effects mediated by loss of snow. We conducted a two-year experimental manipulation of temperature and snow pack to test whether 1) warming increases cheatgrass population growth rate and 2) reduced snow cover contributes to cheatgrass’ positive response to …
Kenyan Climate Variation Assessment Through Rainfall Anomalies And Sea Surface Temperature (Sst) Correlations, Kimberly E. Lykens
Kenyan Climate Variation Assessment Through Rainfall Anomalies And Sea Surface Temperature (Sst) Correlations, Kimberly E. Lykens
STAR Program Research Presentations
The diverse and varied climate of Eastern Africa’s Kenya is home to an agriculturally dependent populace, in which farmers and other related economic sectors make up the majority of livelihoods and gross domestic product. Recurring droughts and severe flooding are major concerns for local farmers and governmental entities. The purpose of this study is to identify and categorize differences in rainfall trends over Kenya and to examine relationships between seasonal rainfall anomalies of sea surface temperature (SST), with an ultimate goal to improve predictions of wet season rainfall amounts. The analysis began with data from 27 national and cooperative weather …
Carbon–Temperature–Water Change Analysis For Peanut Production Under Climate Change: A Prototype For The Agmip Coordinated Climate-Crop Modeling Project (C3mp), Alex Ruane, Sonali Mcdermid, Cynthia Rosenzweig, Guillermo Baigorria, James W. Jones, Consuelo Romero, L. Dewayne Cecil
Carbon–Temperature–Water Change Analysis For Peanut Production Under Climate Change: A Prototype For The Agmip Coordinated Climate-Crop Modeling Project (C3mp), Alex Ruane, Sonali Mcdermid, Cynthia Rosenzweig, Guillermo Baigorria, James W. Jones, Consuelo Romero, L. Dewayne Cecil
School of Natural Resources: Faculty Publications
Climate change is projected to push the limits of cropping systems and has the potential to disrupt the agricultural sector from local to global scales. This article introduces the Coordinated Climate-Crop Modeling Project (C3MP), an initiative of the Agricultural Model Intercomparison and Improvement Project (AgMIP) to engage a global network of crop modelers to explore the impacts of climate change via an investigation of crop responses to changes in carbon dioxide concentration ([CO2]), temperature, and water. As a demonstration of the C3MP protocols and enabled analyses, we apply the Decision Support System for Agrotechnology Transfer (DSSAT) CROPGRO-Peanut crop model for …
Charting A New Course For The Colorado River: A Summary Of Guiding Principles, Colorado River Research Group
Charting A New Course For The Colorado River: A Summary Of Guiding Principles, Colorado River Research Group
Books, Reports, and Studies
[4] p. : color illustrations ; 28 cm.