Search Results - "Ruane, Alex C"
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Climate forcing datasets for agricultural modeling: Merged products for gap-filling and historical climate series estimation
Published in Agricultural and forest meteorology (01-01-2015)“…•We describe the creation of two climate forcing datasets, AgMERRA and AgCFSR.•AgMERRA and AgCFSR designed for agricultural modeling applications.•AgMERRA and…”
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Temperature increase reduces global yields of major crops in four independent estimates
Published in Proceedings of the National Academy of Sciences - PNAS (29-08-2017)“…Wheat, rice, maize, and soybean provide two-thirds of human caloric intake. Assessing the impact of global temperature increase on production of these crops is…”
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Assessing agricultural risks of climate change in the 21st century in a global gridded crop model intercomparison
Published in Proceedings of the National Academy of Sciences - PNAS (04-03-2014)“…Here we present the results from an intercomparison of multiple global gridded crop models (GGCMs) within the framework of the Agricultural Model…”
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Constraints and potentials of future irrigation water availability on agricultural production under climate change
Published in Proceedings of the National Academy of Sciences - PNAS (04-03-2014)“…We compare ensembles of water supply and demand projections from 10 global hydrological models and six global gridded crop models. These are produced as part…”
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Climate shifts within major agricultural seasons for +1.5 and +2.0 °C worlds: HAPPI projections and AgMIP modeling scenarios
Published in Agricultural and forest meteorology (15-09-2018)“…•Assesses climate of high mitigation +1.5 and +2.0 °C global warming scenarios.•On average, agricultural regions warm more slowly than global land area as a…”
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Uncertainties in predicting rice yield by current crop models under a wide range of climatic conditions
Published in Global change biology (01-03-2015)“…Predicting rice (Oryza sativa) productivity under future climates is important for global food security. Ecophysiological crop models in combination with…”
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Regional disparities in the beneficial effects of rising CO2 concentrations on crop water productivity
Published in Nature climate change (01-08-2016)“…Increasing atmospheric CO 2 concentrations are expected to enhance photosynthesis and reduce plant water use. Research now reveals regional disparities in this…”
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Parameterization-Induced Uncertainties and Impacts of Crop Management Harmonization in a Global Gridded Crop Model Ensemble
Published in PloS one (16-09-2019)“…Global gridded crop models (GGCMs) combine agronomic or plant growth models with gridded spatial input data to estimate spatially explicit crop yields and…”
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Exploring uncertainties in global crop yield projections in a large ensemble of crop models and CMIP5 and CMIP6 climate scenarios
Published in Environmental research letters (01-03-2021)“…Concerns over climate change are motivated in large part because of their impact on human society. Assessing the effect of that uncertainty on specific…”
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Global Patterns of Crop Yield Stability Under Additional Nutrient and Water Inputs
Published in PloS one (27-06-2018)“…Agricultural production must increase to feed a growing and wealthier population, as well as to satisfy increasing demands for biomaterials and biomass-based…”
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A potato model intercomparison across varying climates and productivity levels
Published in Global change biology (01-03-2017)“…A potato crop multimodel assessment was conducted to quantify variation among models and evaluate responses to climate change. Nine modeling groups simulated…”
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Can Egypt become self-sufficient in wheat?
Published in Environmental research letters (2018)“…Egypt produces half of the 20 million tons of wheat that it consumes with irrigation and imports the other half. Egypt is also the world's largest importer of…”
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Global Gridded Crop Model Evaluation: Benchmarking, Skills, Deficiencies and Implications
Published in Geoscientific Model Development (04-04-2017)“…Crop models are increasingly used to simulate crop yields at the global scale, but so far there is no general framework on how to assess model performance…”
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An AgMIP framework for improved agricultural representation in integrated assessment models
Published in Environmental research letters (24-11-2017)“…Integrated assessment models (IAMs) hold great potential to assess how future agricultural systems will be shaped by socioeconomic development, technological…”
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Global-to-local-to-global interactions and climate change
Published in Environmental research letters (01-05-2023)“…Abstract Climate change by its very nature epitomizes the necessity and usefulness of the global-to-local-to-global (GLG) paradigm. It is a global problem with…”
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Climate change impact uncertainties for maize in Panama: Farm information, climate projections, and yield sensitivities
Published in Agricultural and forest meteorology (15-03-2013)“…► Configures maize model for Panama and explores alternative farming systems. ► Contrasts climate and agronomic uncertainties on future yield projections. ►…”
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Spatial and temporal uncertainty of crop yield aggregations
Published in European journal of agronomy (01-08-2017)“…•We aggregate 14 simulated gridded crop yields with four harvested areas data sets.•Uncertainties in multi-annual means and temporal patterns are…”
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Sea level rise projections for current generation CGCMs based on the semi-empirical method
Published in Geophysical research letters (01-01-2008)“…The semi‐empirical relationship between global surface air temperature and mean sea level first developed by Rahmstorf is here applied to the latest generation…”
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Extreme lows of wheat production in Brazil
Published in Environmental research letters (01-10-2021)“…Wheat production in Brazil is insufficient to meet domestic demand and falls drastically in response to adverse climate events. Multiple, agro-climate-specific…”
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Non‐Linear Climate Change Impacts on Crop Yields May Mislead Stakeholders
Published in Earth's future (01-04-2024)“…We utilize a global warming level (GWL) lens to evaluate global and regional patterns of agricultural impacts as global surface temperature increases,…”
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