نتایج جستجو برای: climate indices
تعداد نتایج: 250014 فیلتر نتایج به سال:
The objective of this paper is to identify and analyze relevant research index-based methods for the evaluation climate change vulnerability resilience coastal areas. We searched, retrieved, classified reviewed papers on climate-change hazards, impacts, water systems infrastructure. For this, Scopus, Science Direct, Thompson-Reuters Web Science, Google Scholar, PubMed other databases were used....
The objective of the current study is to present a comparison techniques for forecasting low-frequency climate oscillation indices with focus on Great Lakes system. A number time series models have been tested including traditional autoregressive moving average (ARMA) model, dynamic linear model (DLM), generalized conditional heteroskedasticity (GARCH) as well nonstationary resampling (NSOR) te...
Most dendrochronological studies focus on cores sampled from standard positions (main stem, breast height), yet vertical gradients in hydraulic constraints and priorities for carbon allocation may contribute to different growth sensitivities with position. Using cores taken from five positions (coarse roots, breast height, base of live crown, mid-crown branch and treetop), we investigated how r...
Linear trends in 1 April snow water equivalent (SWE) in California, USA, are determined from a dense network of observations over the period 1950–2002. These trends are compared to concurrent time series of precipitation and temperature and Pacific Ocean climate indices. We find increased winter temperatures have accompanied both decreasing and increasing SWE trends, resulting in a weak overall...
Projections of changes in climate extremes are critical to assessing the potential impacts of climate change on human and natural systems. Modeling advances now provide the opportunity of utilizing global general circulation models (GCMs) for projections of extreme temperature and precipitation indicators. We analyze historical and future simulations of ten such indicators as derived from an en...
Testing the Performance of Tropical Cyclone Genesis Indices in Future Climates Using the HiRAM Model
Tropical cyclone genesis indices (TCGIs) are functions of the large-scale environment that are designed to be proxies for the probability of tropical cyclone (TC) genesis. While the performance of TCGIs in the current climate can be assessed by direct comparison to TCobservations, their ability to represent futureTCactivity based on projections of the large-scale environment cannot. Here the au...
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