نتایج جستجو برای: dry spells

تعداد نتایج: 94205  

2017
Michelle Ho Xun Sun

The development of paleoclimate streamflow reconstructions in the conterminous United States (CONUS) has provided water resource managers with improved insights into multi-decadal and centennial scale variability that cannot be reliably detected using shorter instrumental records. Paleoclimate streamflow reconstructions have largely focused on individual catchments limiting the ability to quant...

Journal: :Journal of Hydrometeorology 2021

Abstract Climate change will result in more dry days and longer spells, however, the resulting impacts on crop growth depend timing of these spells annual cycle. Using an ensemble Coupled Model Intercomparison Project Phase 5 6 (CMIP5 CMIP6) simulations, a range emission scenarios, here we examine changes wet spell characteristics under future climate across extended tropics seasons separately....

2017
Ross E. Boucek Evelyn E. Gaiser H. Liu Jennifer S. Rehage R. E. Boucek E. E. Gaiser J. S. Rehage

Forecasted changes in global climate predict not only shifts in average conditions but also changes in the frequency and intensity of climate extremes. In the subtropics, the passage of extreme cold spells functions as a major structuring force for ecological communities, and can incur substantial losses to biodiversity, agriculture, and infrastructure. If these events persist in the future, it...

Journal: :Natural Hazards and Earth System Sciences 2021

Abstract. In this study, the detection and characteristics of dry/wet spells (defined as episodes when precipitation is abnormally low or high compared to usual climatology) drawn from several datasets are for Senegal. Here, four based on satellite data (TRMM-3B42 V7, CMORPH V1.0, TAMSAT V3, CHIRPS V2. 0), two reanalysis products (NCEP-CFSR ERA5), three rain gauge observations (CPC Unified V1.0...

2013
Geetanjali Rathore Paul Larsen Cristina Fernandez Manish Parakh

Breath holding spells are a common and dramatic form of syncope and anoxic seizure in infancy. They are usually triggered by an emotional stimuli or minor trauma. Based on the color change, they are classified into 3 types, cyanotic, pallid, and mixed. Pallid breath holding spells result from exaggerated, vagally-mediated cardiac inhibition, whereas the more common, cyanotic breathholding spell...

Journal: :Water Policy 2023

Abstract Farmers in dryland regions are highly vulnerable to rainfall variability. This vulnerability is unequal, as it mediated by biophysical and social factors. Implementing policies for climate resilience requires identification of farmers who most extreme events like dry spells. We develop a novel approach conceptualizing spell at the farm scale terms monsoon crop water deficit. Using inpu...

2002
Milorad S. Kovacevic Georgia Roberts

1. INTRODUCTION The modelling problem addressed in this paper has been called correlated failure-time modelling, multivariate survival modelling, multiple spells modelling, or a recurrent events problem, and is studied in biomedical Generally this type of modelling is required for data that arise in time-to-event studies when two or more events happen to the same subject. In such a case, the fa...

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