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Statistical downscaling of precipitation using long short-term memory recurrent neural networks
Springer Science and Business Media LLC - Tập 134 - Trang 1179-1196 - 2017
Saptarshi Misra, Sudeshna Sarkar, Pabitra Mitra
Hydrological impacts of global climate change on regional scale are generally assessed by downscaling large-scale climatic variables, simulated by General Circulation Models (GCMs), to regional, small-scale hydrometeorological variables like precipitation, temperature, etc. In this study, we propose a new statistical downscaling model based on Recurrent Neural Network with Long Short-Term Memory w...... hiện toàn bộ
Urban storage heat flux variability explored using satellite, meteorological and geodata
Springer Science and Business Media LLC - Tập 141 Số 1-2 - Trang 271-284 - 2020
Fredrik Lindberg, K. Frans G. Olofson, Ting Sun, C. S. B. Grimmond, Christian Feigenwinter
AbstractThe storage heat flux (ΔQS) is the net flow of heat stored within a volume that may include the air, trees, buildings and ground. Given the difficulty of measurement of this important and large flux in urban areas, we explore the use of Earth Observation (EO) data. EO surface temperatures are used with ground-...... hiện toàn bộ
Spatiotemporal characteristics of precipitation concentration and the possible links of precipitation to monsoons in China from 1960 to 2015
Springer Science and Business Media LLC - Tập 138 - Trang 135-152 - 2019
Ya Huang, Hao Wang, Wei-hua Xiao, Li-hua Chen, Heng Yang
The statistical characteristics of precipitation play an extremely important role in the risk assessment of drought and flood disasters and water resource management. In this paper, the precipitation concentration degree (PCD), precipitation concentration period (PCP) and precipitation concentration index (PCI) were used to analyse the spatiotemporal variation in precipitation concentration charac...... hiện toàn bộ
Compilation method for 1 km grid data of monthly mean air temperature for quantitative assessments of climate change impacts
Springer Science and Business Media LLC - Tập 101 - Trang 421-431 - 2009
Hideki Ueyama, Sachiho Adachi, Fujio Kimura
A new method is proposed to compile 1 km grid data of monthly mean air temperature by dynamically downscaling general circulation model (GCM) data with a regional climate model (RCM). The downscaling method used is a technique referred to as the pseudoglobal warming method to reduce GCM bias. For the grid data, RCM data were corrected with data from an existing meteorological network. The correcti...... hiện toàn bộ
Observed changes in relative humidity and dew point temperature in coastal regions of Iran
Springer Science and Business Media LLC - Tập 110 - Trang 385-393 - 2012
P. Hosseinzadeh Talaee, A. A. Sabziparvar, Hossein Tabari
The analysis of trends in hydroclimatic parameters and assessment of their statistical significance have recently received a great concern to clarify whether or not there is an obvious climate change. In the current study, parametric linear regression and nonparametric Mann–Kendall tests were applied for detecting annual and seasonal trends in the relative humidity (RH) and dew point temperature (...... hiện toàn bộ
Analysis of trends and change points in meteorological variables over the south of the Caspian Sea
Springer Science and Business Media LLC - Tập 141 - Trang 959-966 - 2020
Amin Shirvani, Klaus Arpe, Marzieh Jahandideh
This study analyzes linear trends and change points in meteorological variables including (a) sea surface temperature (SST) anomalies using three data sets: (1) level 4 of the optimum interpolated SST (OISST) of the Advanced Very High Resolution Radiometer (AVHRR), (2) the Objectively Analyzed Air-Sea Fluxes (OAFluxSST) project, and (3) the observed Improved Extended Reconstructed SST version 4 (E...... hiện toàn bộ
Interdecadal changes in summer TC activity in East China Sea
Springer Science and Business Media LLC - Tập 120 - Trang 11-18 - 2014
Ki-Seon Choi, Yu-Mi Cha, Sung-Dae Kang, Hae-Dong Kim
The study analyzed the time series of the tropical cyclone (TC) frequencies which passed through the East China Sea between July and September from 1963 to 2012. The result of applying the statistical change-point analysis to this time series shows that a climate regime shift occurred in 1983 when the TC frequencies which pass the East China Sea area started increasing. The study then analyzed the...... hiện toàn bộ
Fourier analysis of Central American rainfall
Springer Science and Business Media LLC - Tập 16 - Trang 81-94 - 1968
Stefan L. Hastenrath
The annual variation of rainfall at 131 stations distributed all over Central America is subjected to harmonic analysis. Maps present the total variance of the mean monthly rainfall, the percentage variance of the first three harmonics, the residual contributed by the higher harmonics, the amplitudes and phase angles of the first three harmonics, and the ratio of the amplitudes of the first to te ...... hiện toàn bộ
Sur la représentation des séries météorologiques au moyen de processus aléatoires stationnaires persistants
Springer Science and Business Media LLC - - 1960
R. Sneyers
On étudie deux modèles aléatoires stationnaires persistants parmi lesquels l'un est autorégressif du premier ordre et l'autre est à persistance finie. Tous deux sont appliqués aux valeurs diurnes de la température de l'air à Uccle et les conclusions sont favorables au schéma autorégressif. Dans ces conclusions, l'examen des caractères de dépendance de la série initiale et de ceux des séries dérivé...... hiện toàn bộ
Determining the impact of climate change on land suitability for rice paddy cultivation using GIS and RS on FAO maximum limitation approach
Springer Science and Business Media LLC - Tập 149 - Trang 53-68 - 2022
Emre Ozsahin, Mehmet Ozdes
In the present study, we aimed to understand the current condition of land suitability and how climate change will affect its suitability for rice paddy cultivation in the Edirne Province of Turkey in the future. We used RS and the GIS-supported FAO Maximum Limitation Approach to perform land suitability analysis for the current conditions and 20-year periodic times from 2020 to 2100. The results ...... hiện toàn bộ
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