Adding the effects of changes in land cover to the A2 and B1 transient climate simulations described in the Special Report on Emissions Scenarios (SRES) by the Intergovernmental Panel on Climate Change leads to significantly different regional climates in 2100 as compared with climates resulting from atmospheric SRES forcings alone. Agricultural expansion in the A2 scenario results in significant additional warming over the Amazon and cooling of the upper air column and nearby oceans. These and other influences on the Hadley and monsoon circulations affect extratropical climates. Agricultural expansion in the mid-latitudes produces cooling and decreases in the mean daily temperature range over many areas. The A2 scenario results in more significant change, often of opposite sign, than does the B1 scenario.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1126/science.1118160 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Monitoring changes and multi-scenario simulations of land use and ecosystem service values in coastal cities: A case study of Qingdao, China.
Environ Monit Assess
January 2025
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China.
The study of land cover dynamics and the valuation of ecosystem services in coastal cities is pivotal for guiding sustainable urban development and conserving natural resources amidst the unique challenges posed by their geographical and ecological contexts. This study utilizes a 30 m × 30 m land use/cover change (LUCC) dataset to elucidate the spatiotemporal evolution of LUCC and ecosystem service value (ESV) and the trade-offs and synergistic relationships among ecosystem services in the coastal city of Qingdao under three different scenarios over the past 35 years and in the future based on the dual perspective of the past-future by using the equivalent factor approach (EFA), the PLUS model, and Spearman's rank correlation coefficient. The findings reveal a pronounced expansion in built-up areas in Qingdao from 1985 to 2020, with a concomitant significant reduction in cropland, leading to a fluctuation in the total ESV, which initially increased and then declined.
View Article and Find Full Text PDFSoil erosion susceptibility maps and raster dataset for the hydrological basins of North Africa.
Sci Data
January 2025
University of Southern California, Viterbi School of Engineering, 3737 Watt Way, Powell Hall of Engineering, Los Angeles, CA, 90089, USA.
Soil erosion in North Africa modulates agricultural and urban developments as well as the impacts of flash floods. Existing investigations and associated datasets are mainly performed in localized urban areas, often representing a limited part of a watershed. The above compromises the implementation of mitigation measures for this vast area under accentuating extremes and continuous hydroclimatic fluctuations.
View Article and Find Full Text PDFWavelength selection method for near-infrared spectroscopy based on the combination of mutual information and genetic algorithm.
Talanta
January 2025
Daqing Oilfield Shale Oil Exploration and Development Headquarters, Daqing, 163455, China.
Near-infrared (NIR) spectroscopy analysis technology has become a widely utilized analytical tool in various fields due to its convenience and efficiency. However, with the promotion of instrument precision, the spectral dimension can now be expanded to include hundreds of dimensions. This expansion results in time-consuming modeling processes and a decrease in model performance.
View Article and Find Full Text PDFContiguous planting on fragmented cultivated land and reduction of chemical pesticides and chemical fertilizers: Evidence from rice farmer in China.
J Environ Manage
January 2025
China Research Institute of Regulation and Public Policy, Zhejiang University of Finance and Economics, Hangzhou, China. Electronic address:
In China, the environmental pollution caused by excessive use of chemical pesticides and chemical fertilizers (P&F) has received wide attention. Currently, research on P&F reduction mainly focuses on large-scale plains' cultivated land, while research on fragmented cultivated land is severely limited. This study employs the 2021-2023 tracking data of Zhejiang's fragmented cultivated land farmers to analyze the impacts of new agricultural technologies, plot expansion, and contiguous planting on P&F reduction.
View Article and Find Full Text PDFBat coronavirus surveillance across different habitats in Yucatán, México.
Virology
January 2025
Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, Mexico; International Joint Laboratory Ecosystem, Biological Diversity, Habitat Modifications, And Risk of Emerging Pathogens and Diseases in México (ELDORADO), UNAM-IRD, Mexico.
Bats, which play a vital role in maintaining ecosystems, are also known as natural reservoirs of coronaviruses (CoVs), thus have raised concerns about their potential transmission to humans, particularly in light of the emergence of MERS-CoV, SARS-CoV, and SARS-CoV-2. The increasing impact of human activities and ecosystem modifications is reshaping bat community structure and ecology, heightening the risk of the emergence of potential epidemics. Therefore, continuous monitoring of these viruses in bats is necessary.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!