The temporal concentration of precipitation may be characterized using several methods. For climate-scale precipitation, measures are usually performed by means dimensionless indices such as the Gini index (GI) or Theil index. purposes present paper, a set 66 409 daily time series from around world were analysed to estimate climatic precipitation. To this end, some most widely used tested, i.e. index, classic n and an ordered version Results show strong connection between indices, mainly GI...

CR Climate Research Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 67:71-86 (2016) - DOI: https://doi.org/10.3354/cr01359 Measure of rainfall time structure using dimensionless n-index Robert Monjo Foundation (FIC), C/ Gran Vía 22 (dupl.), 7°, 28013 Madrid, Spain *Corresponding author: rma@ficlima.org ABSTRACT: The is defined as exponent power law relating maximum average intensity over given...

ABSTRACT The Mediterranean coast of Spain often experiences intense rainfall, sometimes reaching remarkable amounts more than 400 mm in one day. aim this work is to study possible changes extreme precipitation for century, simulated from several Coupled Model Intercomparison Project Phase 5 ( CMIP5 ) climate models. Eighteen projections (nine models under RCP4.5 and nine RCP8.5 scenarios) were downscaled using a two‐step analogue/regression statistical method. We have selected 144 rain...

Abstract This paper addresses the determination of realized thermal niche and effects climate change on range distribution two brown trout populations inhabiting streams in Duero River basin (Iberian Peninsula) at edge natural area this species. For reaching these goals, new methodological developments were applied to improve reliability forecasts. Water temperature data collected using 11 thermographs located along altitudinal gradient, they used model relationship between stream air river...

Abstract Modern cosmology presents important challenges such as the Hubble Tension, El Gordo’s collision, or impossible galaxies ( z > 10). Slight modifications to standard model propose new parameters (e.g., early and dynamical dark energy). On other hand, alternatives coasting universes hyperconical spatially flat R h = ct universe) are statistically compatible with most of observational tests, but still present theoretical problems in matching observed matter contents since they...

Colored gravity, based on $\text{U}(1,3)$ symmetry, emerges naturally in the complexification of Lorentzian manifolds and integrates U(1) electromagnetism as a subcase. This work explores viability also including strong electroweak interactions under gauge group colored gravity. We identify specific generators linked to leptonic quark embed standard Higgs mechanism. Crucially, weak mixing angle ($\sin^2\theta_W$) is predicted exhibit about $\sim0.231$ for lepton-lepton (close observations)...

Abstract Modified Newtonian dynamics (MOND) was originally proposed to model galaxy rotation curves without dark matter. However, MOND presents difficulties in explaining the radial acceleration relation observed clusters, and moreover, it does not completely eliminate need for matter, since requires using nonluminous particles (e.g., cold molecular gas or dust, neutrinos) explain hydrostatic equilibrium of hot gas. Hyperconical modified gravity (HMG) offers a relativistic framework that...

Abstract Despite the success of dark matter models, unresolved issues require exploring alternatives such as modified gravity theories. In this context, we examine compatibility hyperconical (HMG) with galaxy rotation curves inferred from weak-lensing data. The research addresses existing limitations Newtonian dynamics (MOND), which often struggle universal applicability across different galactic scales. By assuming local validity general relativity and analyzing recent data on circular...

Abstract. Climate changes affect aquatic ecosystems by altering temperatures and precipitation patterns, the rear edges of distributions cold-water species are especially sensitive to these effects. The main goal this study was predict in detail how air temperature will streamflow, thermal habitat a fish (the brown trout, Salmo trutta), synergistic relationships among variables at edge natural distribution trout. Thirty-one sites 14 mountain rivers streams were studied central Spain. Models...

Rainfall, or more generally the precipitation process (flux), is a clear example of chaotic variables resulting from highly nonlinear dynamical system, atmosphere, represented by set physical equations such as Navier-Stokes equations, energy balances and hydrological cycle among others. As generalization Euclidean (ordinary) measurements, solutions these are characterized fractal dimensions, which non-integer values that represent complexity like precipitation. However, observed measured an...

Abstract Groundwater resources are typically the main fresh water source in arid and semi‐arid regions. Natural recharge of aquifers is mainly based on precipitation; however, only heavy precipitation events (HPEs) expected to produce appreciable aquifer these environments. In this work, we used daily monthly level time series from different locations over a Mediterranean region Southeastern Spain identify critical threshold value define HPEs that lead region. Wavelet trend analyses were...

The RESCCUE Project is an H2020 research project that aims to help cities around the world become more resilient physical, social, and economic challenges, using water sector as central point of approach. will generate models tools bring this objective practice, while delivering a framework enabling city resilience assessment, planning management. This be achieved by integrating software tools, methods, new knowledge related detailed urban services performance into novel promising loosely...

The results of recent climate projections for the city Barcelona show a relevant increment maximum rainfall intensities period 2071–2100. Considering as system systems, urban resilience is strictly linked to proper functioning services and knowledge cascading effects that may occur in case failure one or more critical infrastructures particular strategic sector. In this context, aim paper assess through analysis behavior main pluvial floods current future conditions due change. A...

Rainfall, or more generally the precipitation process (flux), is a clear example of chaotic variables resulting from highly nonlinear dynamical system, atmosphere, which represented by set physical equations such as Navier–Stokes equations, energy balances, and hydrological cycle, among others. As generalization Euclidean (ordinary) measurements, solutions these are characterized fractal indices, that is, non-integer values represent complexity like rainfall. However, observed measured an...

Barcelona city has a strong dependence on the Ter and Llobregat reservoir system to provide drinking water. One main concern for next century is potential water scarcity triggered by severe persistent rainfall shortage. This one of climate-driven impacts studied within EU funded project RESCCUE. To evaluate drought scenarios, Hydrologiska Byråns Vattenbalansavdelning (HBV) hydrological model reproduces contributions month that have reached reservoirs, regarding accumulated over each...

Abstract. The measure of drought duration strongly depends on the definition considered. In meteorology, dryness is habitually measured by means fixed thresholds (e.g. 0.1 or 1 mm usually define dry spells) climatic mean values (as case standardised precipitation index), but this also aggregation time interval However, robust measurements are required for analysing statistical significance possible changes. Herein we climatically classified around world according to its similarity voids...

Abstract Climate change effects on subdaily rainfall (from 5 min to a few hours) can hardly be measured in mid‐latitude climates due the high natural variability of precipitation patterns and their local topography. The goal this study was obtain projections intensity–duration–frequency (IDF) curves, for up 2‐h events, comparing two approaches that use daily outputs downscaled Coupled Model Intercomparison Project Phase (CMIP5) multi‐model projections: (a) direct scaling expected probable...

The Mediterranean region is a climate change hotspot, especially concerning issues of hydrological planning and urban water supply systems. In this context, the Jucar River Basin (Spain) presents an increase frequency, intensity duration extreme meteorological phenomena, such as torrential rains, droughts or heat waves, which directly affect quantity quality raw available for drinking. This paper aims to analyze effects on District, mainly supplies city Valencia its metropolitan area, in...

Abstract The Universe expansion rate has two different but very precise values ( <?CDATA $67.4~\pm~0.5$?> <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mn>67.4</mml:mn><mml:mtext> </mml:mtext><mml:mo>±</mml:mo><mml:mtext> </mml:mtext><mml:mn>0.5</mml:mn></mml:math> and $73.30~\pm~1.04$?> overflow="scroll"><mml:mn>73.30</mml:mn><mml:mtext> </mml:mtext><mml:mn>1.04</mml:mn></mml:math> km s −1 Mpc ) that are not compatible. This problem, known as a Hubble...