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Journal articles on the topic 'Climate fluctuation'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Hatef, Hakimeh, Mahmoud Daneshvar Kakhki, Mohammad Reza Kohansal, Mohammad Bannayan, and Naser Shahnoushi Froshani. "Climate vulnerability index fluctuation: a case of Iran." Journal of Water and Climate Change 10, no. 1 (2018): 223–35. http://dx.doi.org/10.2166/wcc.2018.044.

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Abstract Climatic fluctuations have severe effects on water and soil resources and economy as a whole. It is hence important to study the fluctuations of climatic parameters in different regions in order to recognize the source and type of parameter that have led to fluctuating climatic parameters. To achieve this goal, the current study attempts to address the following issues: what are the different sources of fluctuations in climate parameters? Do different regions have the same degree of vulnerability and what is the most fluctuating parameter in each region? To answer these questions, the

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Ghozali, Ghozali. "Pengaruh Iklim dan Fluktuasi Harga Bawang Merah dan Bawang Putih terhadap Pendapatan Petani (Studi Kasus pada Petani Sayur di Pacet Mojokerto)." JEBDEER: Journal of Entrepreneurship, Business Development and Economic Educations Research 1, no. 1 (2017): 35–44. http://dx.doi.org/10.32616/jbr.v1i1.53.

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Many people are involved in the vegetable trade business, the majority of farmers in Pacet plunge in planting shallot and garlic, Along with the number of traders, the majority of demand more and more, and when the harvest price is very low and make the farmers lose, and when the season Rain arrives, farmers in the Pacet region many do not plant, so the scarcity of shallot and garlic price is rising. The purpose of this paper is the influence of climate and price fluctuations simultaneously affect the farmer's income, climate influence and price fluctuations affect partially on the market, the

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AMERI, ISMAEL DAWOOD SULAIMAN AL. "Climate Fluctuation in Mesopotamia During the Quaternary Period." Journal of Research on the Lepidoptera 50, no. 4 (2019): 262–78. http://dx.doi.org/10.36872/lepi/v50i4/201090.

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Baroh, Istis, Livia Windiana, Wahid Muhammad Shodiq, and Waris Ali Khan. "Analysis of Soybean Production Trends in Indonesia." BIO Web of Conferences 104 (2024): 00020. http://dx.doi.org/10.1051/bioconf/202410400020.

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Climate change since 2012 has had a real influence on the uncertainty of soybean production which has resulted in fluctuating soybean production in Indonesia. The study purposed to: (i) analyze the fluctuation of soybean production before and during climate change, (ii) analyzing the factors that affect soybean production fluctuations covering land area (X1), soybean prices (X2), consumption (X3). The type of data used is secondary data, a time series data of soybean production in 1994 to 2019. The data was obtained from the Central Statistics Agency. The analytical method used is trend analys

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Hua, Yingmin. "Long-Term Variations of Earth's Orbital Geometry and its Effect on the Climate System." Symposium - International Astronomical Union 156 (1993): 336. http://dx.doi.org/10.1017/s0074180900173450.

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Chinese Loess data over the past 2.4 million years are good proxy records for understanding past climate. Maximum entropy spectrum of magnectic susceptibility data at the locality of Luochuan, which is in Shaanxi province of China, have shown periodic fluctuations of about 21 kyr, 41 kyr, 100 kyr and 400 kyr. These periodic fluctuations are related to the long-term variations of earth's orbital elements of the obliquity, the climatic precession and the eccentricity respectively. The data series was separated into two parts to examine the variations of these fluctuations. The first part is from

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Tanti Novianti, Silvia Sari Busnita, Rina Oktaviani,. "How far climate change affects the Indonesian paddy production and rice price volatility?" International Journal of Agricultural Sciences 1, no. 1 (2017): 1. http://dx.doi.org/10.25077/ijasc.1.1.1-11.2017.

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Food security issue after 2008 global-crisis is something relate with the climate change phenomenon which had worsened on the last few decades. The impact of global climate change can be seen from the fluctuation of main crops production yield in tropical countries. This has affected the food price fluctuations particularly on the grain price, both international and domestic markets. The rice-commodity, known for its thin market characteristics, is now also experiencing the fluctuation of production, its productivity and also the rice price. Considering the importance of rice as the main stapl

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Schnabel, Julius, and Seppo Valkealahti. "Energy Storage Requirements for PV Power Ramp Rate Control in Northern Europe." International Journal of Photoenergy 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/2863479.

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Photovoltaic (PV) generators suffer from fluctuating output power due to the highly fluctuating primary energy source. With significant PV penetration, these fluctuations can lead to power system instability and power quality problems. The use of energy storage systems as fluctuation compensators has been proposed as means to mitigate these problems. In this paper, the behavior of PV power fluctuations in Northern European climatic conditions and requirements for sizing the energy storage systems to compensate them have been investigated and compared to similar studies done in Southern Europea

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Acuña Reyes, Nicolás, Elwin van't Wout, Shaun Lovejoy, and Fabrice Lambert. "Geographic variability in dust and temperature in climate scaling regimes over the Last Glacial Cycle." Climate of the Past 20, no. 7 (2024): 1579–94. http://dx.doi.org/10.5194/cp-20-1579-2024.

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Abstract. Temperature and mineral dust records serve as valuable palaeoclimatic indicators for studying atmospheric variability across different temporal scales. In this study, we employed Haar fluctuations to analyse global spatiotemporal atmospheric variability over the Last Glacial Cycle, capturing both high- and low-frequency information within the records, regardless of uniform or non-uniform sampling. Furthermore, we utilised Haar fluctuations to compute fluctuation correlations, thereby enhancing our understanding of palaeoclimate dynamics. Our findings reveal a latitudinal dependency i

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Chu, Peter C. "First Passage Time Analysis on Climate Indices." Journal of Atmospheric and Oceanic Technology 25, no. 2 (2008): 258–70. http://dx.doi.org/10.1175/2007jtecha991.1.

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Abstract Climate variability is simply represented by teleconnection patterns such as the Arctic Oscillation (AO), Antarctic Oscillation (AAO), North Atlantic Oscillation (NAO), Pacific–North American pattern (PNA), and Southern Oscillation (SO) with associated indices. Two approaches can be used to predict the indices: forward and backward methods. The forward method is commonly used to predict the index fluctuation ρ at time t with a given temporal increment τ. Using this method, it was found that the index (such as for NAO) has the Brownian fluctuations. On the basis of the first passage ti

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Bestion, Elvire, Bart Haegeman, Soraya Alvarez Codesal, et al. "Phytoplankton biodiversity is more important for ecosystem functioning in highly variable thermal environments." Proceedings of the National Academy of Sciences 118, no. 35 (2021): e2019591118. http://dx.doi.org/10.1073/pnas.2019591118.

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The 21st century has seen an acceleration of anthropogenic climate change and biodiversity loss, with both stressors deemed to affect ecosystem functioning. However, we know little about the interactive effects of both stressors and in particular about the interaction of increased climatic variability and biodiversity loss on ecosystem functioning. This should be remedied because larger climatic variability is one of the main features of climate change. Here, we demonstrated that temperature fluctuations led to changes in the importance of biodiversity for ecosystem functioning. We used microc

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Crespo-Miguel, Rodrigo, and Francisco J. Cao-García. "Predictability of Population Fluctuations." Mathematics 10, no. 17 (2022): 3176. http://dx.doi.org/10.3390/math10173176.

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Population dynamics is affected by environmental fluctuations (such as climate variations), which have a characteristic correlation time. Strikingly, the time scale of predictability can be larger for the population dynamics than for the underlying environmental fluctuations. Here, we present a general mechanism leading to this increase in predictability. We considered colored environmental fluctuation acting on a population close to equilibrium. In this framework, we derived the temporal auto and cross-correlation functions for the environmental and population fluctuations. We found a general

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Boulton, G. S., N. Hulton, and M. Vautravers. "Ice-sheet models as tools for palaeoclimatic analysis: the example of the European ice sheet through the last glacial cycle." Annals of Glaciology 21 (1995): 103–10. http://dx.doi.org/10.1017/s0260305500015676.

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A numerical model is used to simulate ice-sheet behaviour in Europe through the last glacial cycle. It is used in two modes: a forward mode, in which the model is driven by a proxy palaeoclimate record and the output compared with a geological reconstruction of ice-sheet fluctuation; and an inverse mode, in which we determine the climate function that would be required to simulate geologically reconstructed ice-sheet fluctuations. From these simulations it is concluded that extra-glacial climates may be poor predictors of ice-sheet surface climates, and that climatic transitions during the gla

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13

Su, Peng, Shiqi Li, Jing’ai Wang, and Fenggui Liu. "Vulnerability Assessment of Maize Yield Affected by Precipitation Fluctuations: A Northeastern United States Case Study." Land 10, no. 11 (2021): 1190. http://dx.doi.org/10.3390/land10111190.

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Crop yields are threatened by global climate change. Maize has high water requirements, and precipitation fluctuations can impact its yield. In this study, we used the Environmental Policy Integrated Climate (EPIC) model to simulate maize yields in eight northeastern U.S. states. We used precipitation fluctuations and the coefficient of variation (CV) of yield as indicators to construct a vulnerability curve for the CV of yield and precipitation fluctuations. We then evaluated the vulnerability of maize yields under precipitation fluctuations in the region. We obtained the following results: (

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14

Seiffert, Rita, and Jin-Song von Storch. "A Stochastic Analysis of the Impact of Small-Scale Fluctuations on the Tropospheric Temperature Response to CO2 Doubling." Journal of Climate 23, no. 9 (2010): 2307–19. http://dx.doi.org/10.1175/2009jcli3043.1.

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Abstract The climate response to increased CO2 concentration is generally studied using climate models that have finite spatial and temporal resolutions. Different parameterizations of the effect of unresolved processes can result in different representations of small-scale fluctuations in the climate model. The representation of small-scale fluctuations can, on the other hand, affect the modeled climate response. In this study the mechanisms by which enhanced small-scale fluctuations alter the climate response to CO2 doubling are investigated. Climate experiments with preindustrial and double

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15

Zhao, Chao. "The Climate Fluctuation of the 8.2 ka BP Cooling Event and the Transition into Neolithic Lifeways in North China." Quaternary 3, no. 3 (2020): 23. http://dx.doi.org/10.3390/quat3030023.

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Early Neolithic lifeways in North China, which are marked by a low-level food production economy, population aggregation, and sedentism, thrived just after the period of a climatic cooling event at 8.2 ka. Instead of simply regarding this climate fluctuation as a cause for the significant socio-economic transition, this paper attempts to explore the interplay between people’s choices of coping strategies with climate change as a perspective to learn how people respond to this climate fluctuation and how such responses generated the interlocked socio-economic transitions. This analysis indicate

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Sanogo, Karamoko, Birhanu Zemadim Birhanu, Souleymane Sanogo, Abdulkadir Aishetu, and Abdramane Ba. "Spatiotemporal Response of Vegetation to Rainfall and Air Temperature Fluctuations in the Sahel: Case Study in the Forest Reserve of Fina, Mali." Sustainability 13, no. 11 (2021): 6250. http://dx.doi.org/10.3390/su13116250.

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Forests constitute a key component of the Earth system but the sustainability of the forest reserves in the semi-arid zone is a real concern since its vegetation is very sensitive to the climate fluctuation. The understanding of the mechanisms for the vegetation–climate interaction is poorly studied in the context of African Sahel. In this study, the characteristics of the vegetation response to the fluctuations of precipitation and temperature is determined for the forest reserve of Fina. Rainfall estimates, air temperature and NDVI were re-gridded to a same spatial resolution and standardize

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Guerriero, Vincenzo, Anna Rita Scorzini, Bruno Di Lena, Mario Di Bacco, and Marco Tallini. "Measuring Variation of Crop Production Vulnerability to Climate Fluctuations over Time, Illustrated by the Case Study of Wheat from the Abruzzo Region (Italy)." Sustainability 16, no. 15 (2024): 6462. http://dx.doi.org/10.3390/su16156462.

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Short-term climate fluctuations can have a significant impact on the stability of food resource prices, thus threatening food security, even in cases where the crop production system shows good adaptation to climate change and/or increasing average yields over time. This paper illustrates, in detail, a statistical approach aimed at verifying whether the variation of the crop production system vulnerability to climate fluctuation exhibits a trend over time. These methods were applied to the case study of wheat grown in the Abruzzo region (Italy). The results show that, although the wheat crop y

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18

Fusi, Marco, Sylvain Rigaud, Giovanna Guadagnin, et al. "Ideas and perspectives: The fluctuating nature of oxygen shapes the ecology of aquatic habitats and their biogeochemical cycles – the aquatic oxyscape." Biogeosciences 20, no. 16 (2023): 3509–21. http://dx.doi.org/10.5194/bg-20-3509-2023.

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Abstract. Oxygen availability is a pivotal factor for ecosystem functioning and the resistance of organisms to the effect of climate change in aquatic habitats. Although extensive work has been done to assess the effect of oxygen on marine and freshwater biota, many studies have not captured the ecological importance of oxygen variations. Overlooking the fluctuating nature of oxygen may cause potential biases in the design and implementation of management policies for aquatic habitats. Conceptual perspectives on the dynamic nature of oxygen fluctuations have been raised in the scientific commu

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19

Wang, Ziming, Hanqi Hu, Zaihao Hu, and Yuxin Jin. "Forecasting Soybean Futures Volatility: The Impact of Climate -Related Indices Using GARCH-MIDAS Model." Advances in Economics, Management and Political Sciences 198, no. 1 (2025): 43–56. https://doi.org/10.54254/2754-1169/2024.25017.

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This study applies the GARCH-MIDAS model to predict the volatility of soybean futures prices, incorporating Climate Policy Uncertainty (CPU) and Climate Physical Index (CPI) as key explanatory variables. The analysis reveals that both CPU and CPI significantly influence the volatility of soybean futures. Specifically, an increase in CPU is associated with heightened market volatility, indicating that uncertainties in climate policies contribute to instability in agricultural markets. Meanwhile, the CPI, which reflects physical climate risks, also shows a strong correlation with price fluctuati

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Moritani, Shigeoki, Takuro Sega, Sachinobu Ishida, Swe Swe Mar, and Bouya Ahmed Ould Ahmed. "Regional climate fluctuation analysis using convolutional neural networks." Earth Science Informatics 15, no. 1 (2021): 281–89. http://dx.doi.org/10.1007/s12145-021-00725-z.

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21

Nicolis, C., J. P. Boon, and G. Nicolis. "Fluctuation-dissipation theorem and intrinsic stochasticity of climate." Il Nuovo Cimento C 8, no. 3 (1985): 223–42. http://dx.doi.org/10.1007/bf02574709.

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22

Cooper, Fenwick C., and Peter H. Haynes. "Climate Sensitivity via a Nonparametric Fluctuation–Dissipation Theorem." Journal of the Atmospheric Sciences 68, no. 5 (2011): 937–53. http://dx.doi.org/10.1175/2010jas3633.1.

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Abstract The fluctuation–dissipation theorem (FDT) has been suggested as a method of calculating the response of the climate system to a small change in an external parameter. The simplest form of the FDT assumes that the probability density function of the unforced system is Gaussian and most applications of the FDT have made a quasi-Gaussian assumption. However, whether or not the climate system is close to Gaussian remains open to debate, and non-Gaussianity may limit the usefulness of predictions of quasi-Gaussian forms of the FDT. Here we describe an implementation of the full non-Gaussia

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Bjerke, Jarle Werner, Kristin Magnussen, Ryan M. Bright, et al. "Synergies and trade-offs between provisioning and climate-regulating ecosystem services in reindeer herding ecosystems." Science of the Total Environment 927, June 2024 (2025): 171914. https://doi.org/10.1016/j.scitotenv.2024.171914.

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Reindeer (Rangifer tarandus) pastoralism utilizes vast boreo-arctic taiga and tundra as grazing land. Highly fluctuating population sizes pose major challenges to the economy and livelihood of indigenous herder communities. In this study we investigated the effect of population fluctuations on core provisioning and regulating ecosystem services in two Sami ´ reindeer herding districts with contrasting fluctuation trends. We compared 50- year long time series on herd size, meat production, forage productivity, carbon footprint, and CO2-equivalence metrics for surface albedo change ba

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Shi, Y., Y. Wang, Y. Ma, et al. "Field-based observations of regional-scale, temporal variation in net primary production in Tibetan alpine grasslands." Biogeosciences 11, no. 7 (2014): 2003–16. http://dx.doi.org/10.5194/bg-11-2003-2014.

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Abstract. Net primary production (NPP) is a fundamental process of natural ecosystems. Temporal variation of NPP not only reflects how communities respond to environmental fluctuations, but it also has important implications for regional carbon assessment. Unfortunately, studies based on field measurements to directly address this issue in the extreme environment of alpine grasslands are rare. In this study, we measured aboveground NPP (ANPP) and species richness in 40 sites across the Tibetan alpine grasslands from 2006 to 2009 to investigate the regional pattern of temporal variation in ANPP

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Boryczka, Jerzy, Maria Stopa-Boryczka, Arleta Unton-Pyziołek та Piotr Gieszcz. "Cooling and Warming of Climate of the Earth’s Northern Hemisphere (On the Basis of Fluctuations of the Oxygen Isotope Δ18O and Dendrological Data)". Miscellanea Geographica 14, № 1 (2010): 47–58. http://dx.doi.org/10.2478/mgrsd-2010-0005.

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Abstract Content fluctuations of the oxygen isotope δ18O in the Devon Island ice core during the last 100 000 years are a measure of climate fluctuations in the Northern Hemisphere. The course of content of the oxygen isotope δ18O and the sums of solar radiation reaching the upper edge of the atmosphere are characterized by approximate minima and maxima (by positive correlation). This proves that, during the last hundred thousand years, climate fluctuations (cooling and warming) in the Northern Hemisphere were conditioned by long-term changes of the orbit and altitude of the Earth’s axis. Clim

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Javaid, Saher, Mineo Kaneko, and Yasuo Tan. "Structural Condition for Controllable Power Flow System Containing Controllable and Fluctuating Power Devices." Energies 13, no. 7 (2020): 1627. http://dx.doi.org/10.3390/en13071627.

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This paper discusses a structural property for a power system to continue a safe operation under power fluctuation caused by fluctuating power sources and loads. Concerns over global climate change and gas emissions have motivated development and integration of renewable energy sources such as wind and solar to fulfill power demand. The energy generated from these sources exhibits fluctuations and uncertainty which is uncontrollable. In addition, the power fluctuations caused by power loads also have the same consequences on power system. To mitigate the effects of uncontrollable power fluctua

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Zhu, Xiuhua, Klaus Fraedrich, Zhengyu Liu, and Richard Blender. "A Demonstration of Long-Term Memory and Climate Predictability." Journal of Climate 23, no. 18 (2010): 5021–29. http://dx.doi.org/10.1175/2010jcli3370.1.

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Abstract Climate forecast skills are evaluated for surface temperature time series at grid points of a millennium control simulation from a state-of-the-art global circulation model [ECHAM5–Max Planck Institute Ocean Model (MPI-OM)]. First, climate predictability is diagnosed in terms of potentially predictable variance fractions and the fluctuation power-law exponent (using detrended fluctuation analysis). Long-term memory (LTM) with a fluctuation exponent (or Hurst exponent) close to 0.9 occurs mainly in high-latitude oceans, which are also characterized by high potential predictability. Nex

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Lee, Hyunjung, and Seungoh Lee. "Numerical Analysis of Nitrate in Groundwater Considering Topographical Characteristics and Climate Change." Journal of the Korean Society of Hazard Mitigation 25, no. 2 (2025): 23–31. https://doi.org/10.9798/kosham.2025.25.2.23.

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Changes in rainfall patterns due to climate change affect groundwater levels, which significantly influence the concentration and distribution of contaminants. This study used OpenGeoSys to compare and analyze the accumulation and dispersion of nitrate concentrations under different climate change scenarios, while reflecting the characteristics of mountainous and flat terrains. Groundwater recharge rates were calculated through the Water Table Fluctuation (WTF) method, using rainfall and groundwater level data. The simulation results linked to the SSP scenarios showed that, in mountainous area

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Dejene, Taye. "Impact of Climate Variability and Vulnerability on livelihood." Journal of Agricultural Science and Engineering Innovation (JASEI) 2, no. 2 (2022): 18–27. https://doi.org/10.5281/zenodo.6426220.

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Climate variability and vulnerability have a range of impacts on livelihood. It is likely that food insecurity will progress more rapidly with rising temperatures and variable rainfall. Hence, the aim of this study is to assess to assess climate vulnerability on livelihoods, and coping Mechanism in selected three Woredas’ of Bale lowland. The study was conducted in Six PA’s of the Rayitu, Dawe Qachen and Guradamole Woreda .In order to achieve these objectives, the study collected data from primary and secondary sources. The primary data collected by using data gathering tools such

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Lohmann, Gerrit. "ESD Ideas: The stochastic climate model shows that underestimated Holocene trends and variability represent two sides of the same coin." Earth System Dynamics 9, no. 4 (2018): 1279–81. http://dx.doi.org/10.5194/esd-9-1279-2018.

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Abstract. Holocene sea surface temperature trends and variability are underestimated in models compared to paleoclimate data. The idea is presented that the local trends and variability are related, which is elaborated in a conceptual framework of the stochastic climate model. The relation is a consequence of the fluctuation–dissipation theorem, connecting the linear response of a system to its statistical fluctuations. Consequently, the spectrum can be used to estimate the timescale-dependent climate response. The non-normality in the propagation operator introduces enhanced long-term variabi

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He, Cheng, Youru Yao, Xiaoman Lu, Mingnan Chen, Weichun Ma, and Liguo Zhou. "Exploring the Influence Mechanism of Meteorological Conditions on the Concentration of Suspended Solids and Chlorophyll-a in Large Estuaries Based on MODIS Imagery." Water 11, no. 2 (2019): 375. http://dx.doi.org/10.3390/w11020375.

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In estuary areas, meteorological conditions have become unstable under the continuous effects of climate change, and the ecological backgrounds of such areas have strongly been influenced by anthropic activities. Consequently, the water quality of these areas is obviously affected. In this research, we identified periods of fluctuation of the general meteorological conditions in the Yangtze River Estuary using a wavelet analysis. Additionally, we performed a spatiotemporal evaluation of the water quality in the fluctuating period by using remote sensing modeling. Then, we explored how the fluc

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Rypdal, Martin. "Early-Warning Signals for the Onsets of Greenland Interstadials and the Younger Dryas–Preboreal Transition." Journal of Climate 29, no. 11 (2016): 4047–56. http://dx.doi.org/10.1175/jcli-d-15-0828.1.

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Abstract The climate system approaches a tipping point if the prevailing climate state loses stability, making a transition to a different state possible. A result from the theory of randomly driven dynamical systems is that the reduced stability in the vicinity of a tipping point is accompanied by increasing fluctuation levels and longer correlation times (critical slowing down) and can in principle serve as early-warning signals of an upcoming tipping point. This study demonstrates that the high-frequency band of the δ18O variations in the North Greenland Ice Core Project displays fluctuatio

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Khan, Saifullah, and Mahmood Ul Hasan. "Climate Classification of Pakistan." International Journal of Economic and Environmental Geology 10, no. 2 (2019): 60–71. http://dx.doi.org/10.46660/ijeeg.vol10.iss2.2019.264.

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The research covenants amid the evaluation and analysis of the weather data in regards to mean monthlytemperature, precipitation, rainy days, relative humidity, wind direction, atmospheric pressure, evaporation, solarradiation and with the literature cited. The components getting fluctuation in the atmospheric condition comprise ofglobal location, vicinity to ocean, geomorphic reliefs and continental extent, maritime affects, forests and landuse.Based on the daily and monthly temperature, the study area has divided into five localities consisting of hot, warm,mild, cool, and cold. Besides, the

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Khan, Saifullah, and Mahmood Ul Hasan. "Climate Classification of Pakistan." International Journal of Economic and Environmental Geology 10, no. 2 (2019): 60–71. http://dx.doi.org/10.46660/ojs.v10i2.264.

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The research covenants amid the evaluation and analysis of the weather data in regards to mean monthlytemperature, precipitation, rainy days, relative humidity, wind direction, atmospheric pressure, evaporation, solarradiation and with the literature cited. The components getting fluctuation in the atmospheric condition comprise ofglobal location, vicinity to ocean, geomorphic reliefs and continental extent, maritime affects, forests and landuse.Based on the daily and monthly temperature, the study area has divided into five localities consisting of hot, warm,mild, cool, and cold. Besides, the

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Lewandowsky, Stephan, James S. Risbey, and Naomi Oreskes. "The “Pause” in Global Warming: Turning a Routine Fluctuation into a Problem for Science." Bulletin of the American Meteorological Society 97, no. 5 (2016): 723–33. http://dx.doi.org/10.1175/bams-d-14-00106.1.

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Abstract There has been much recent published research about a putative “pause” or “hiatus” in global warming. We show that there are frequent fluctuations in the rate of warming around a longer-term warming trend, and that there is no evidence that identifies the recent period as unique or particularly unusual. In confirmation, we show that the notion of a pause in warming is considered to be misleading in a blind expert test. Nonetheless, the most recent fluctuation about the longer-term trend has been regarded by many as an explanatory challenge that climate science must resolve. This depar

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Liu, Anxin, Zhihua Zhang, M. James C. Crabbe, and Lipon Chandra Das. "Multifractal Features and Dynamical Thresholds of Temperature Extremes in Bangladesh." Fractal and Fractional 7, no. 7 (2023): 540. http://dx.doi.org/10.3390/fractalfract7070540.

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Multifractal detrended fluctuation analysis (DFA) can extract multi-scaling behavior and measure long-range correlations in climatic time series. In this study, with the help of multifractal DFA, we investigated the scaling behavior of daily minimum/maximum temperatures during the years 1989–2019 from 34 meteorological stations in Bangladesh. We revealed spatial patterns, topographic impacts and global warming impacts of long-range correlations embedded in small and large fluctuations in temperature time series. Meanwhile, we developed a multifractal DFA-based algorithm to dynamically determin

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Cascione, Valeria, Carl-Eric Hagentoft, Daniel Maskell, Andy Shea, and Pete Walker. "Moisture Buffering in Surface Materials Due to Simultaneous Varying Relative Humidity and Temperatures: Experimental Validation of New Analytical Formulas." Applied Sciences 10, no. 21 (2020): 7665. http://dx.doi.org/10.3390/app10217665.

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Buildings are subjected to the indoor environment, especially in non-controlled climates. Temperature and humidity variations might effect or even damage materials sensitive to moisture. For this reason, it is important to understand the response of hygroscopic materials to variable indoor environmental conditions. Existing methods looked into the dynamic sorption capacity of materials, by analysing the impact of only humidity fluctuations, with temperature usually considered non-influential or non variable. However, temperature fluctuations may impact the moisture capacity of the materials, a

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Cha, Hyeonsoo, Jae-Hong Moon, Taekyun Kim, and Y. Tony Song. "Underlying drivers of decade-long fluctuation in the global mean sea-level rise." Environmental Research Letters 16, no. 12 (2021): 124064. http://dx.doi.org/10.1088/1748-9326/ac3d58.

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Abstract Natural climate variability can mask the background trend of global mean sea-level (GMSL) caused by global warming. Recent advances in satellite measurements and ocean heat-content estimates have enabled the monitoring of GMSL budget components and provide insights into ocean effects on the Earth’s energy imbalance and hydrology. We observed a decadal fluctuation in GMSL rise, which coincides with an increasing trend in the 2010s after the warming ‘hiatus’ during the 2000s, and demonstrated that the rate of sea-level rise can be attributed to climate-related decadal fluctuations in oc

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Lin, Gang, Dong Jiang, Xiang Li, and Jingying Fu. "Accounting for Carbon Sink and its Dominant Influencing Factors in Chinese Ecological Space." Land 11, no. 10 (2022): 1822. http://dx.doi.org/10.3390/land11101822.

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Ecological space (ES), including forest ecological space (FES) and grassland ecological space (GES) in this study, is the land with natural attributes and the main functions of providing ecological services, which has a huge potential capacity for carbon sink (CS). The interannual fluctuation of the CS in ES is severe, which is affected by factors such as precipitation and temperature, but it is still controversial which is the dominant factor in affecting the fluctuation process of the CS in ES. To this end, the multi-source remote sensing monitoring data on the fine-grid scale were collected

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Taeb, Arshia, and Phillip S. K. Ooi. "Comparison of Field Behavior with Results from Numerical Analysis of a Geosynthetic Reinforced Soil Integrated Bridge System Subjected to Thermal Effects." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 1 (2020): 294–306. http://dx.doi.org/10.1177/0361198119899043.

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When subjected to ambient daily temperature fluctuations, a 109.5 ft-long geosynthetic reinforced soil integrated bridge system (GRS-IBS) was observed to undergo cyclic straining of the superstructure. The upper and lower reaches of the superstructure experienced the highest and lowest strain fluctuation, respectively. These non-uniform strains impose not only axial loading of the superstructure but also bending. Pure axial loading in a horizontal superstructure will cause the footings to slide. However, bending in the superstructure will cause the footings to rotate thereby inducing cyclic fl

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Chiang, Camilo, Daniel Bånkestad, and Günter Hoch. "Reaching Natural Growth: The Significance of Light and Temperature Fluctuations in Plant Performance in Indoor Growth Facilities." Plants 9, no. 10 (2020): 1312. http://dx.doi.org/10.3390/plants9101312.

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Recommendations for near-natural plant growth under indoor conditions have been described without considering environmental fluctuations, which might have important consequences for researchers and plant producers when comparing results from indoor facilities with natural ecosystems or production. Previous authors proposed that differences in temperature, light quantity, and the lack of their variation are sources of deviations between indoor and outdoor experiments. Here, we investigated the effect of fluctuating light, temperature, and humidity in an indoor environment on plant performance.

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Wang, Richard R. C. "Studies on Mapping Plant Genes That Confer Tolerance to Abiotic Stresses." International Journal of Molecular Sciences 23, no. 18 (2022): 10760. http://dx.doi.org/10.3390/ijms231810760.

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Yu, Zhihong, Yingcong Ye, Yefeng Jiang, et al. "Analysis of Cultivated Land Productivity in Southern China: Stability and Drivers." Land 14, no. 4 (2025): 708. https://doi.org/10.3390/land14040708.

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Owing to climate change and increasing resource competition, elucidating the control mechanism of cultivated land productivity stability is essential. Previous research has focused on anthropogenic or climatic factors individually, overlooking their combined effects; therefore, the “climate–anthropogenic” framework was constructed. Net primary productivity (NPP) was employed to measure the cultivated land productivity and investigate the impact of climate change and anthropogenic factors on cultivated land productivity stability in Poyang Lake from 2001 to 2022. Results revealed that NPP incre

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Rahman, Mohammad Lutfar, Md Shahjahan, and Nesar Ahmed. "Tilapia Farming in Bangladesh: Adaptation to Climate Change." Sustainability 13, no. 14 (2021): 7657. http://dx.doi.org/10.3390/su13147657.

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In Bangladesh, aquaculture is critically important in terms of providing food and nutrition, sustainable livelihoods, income, and export earnings. Nevertheless, aquaculture in Bangladesh has faced recent concerns due to climate change. Aquaculture is vulnerable to a combination of climatic factors, such as global warming, rainfall variation, flood, drought, temperature fluctuation, and salinity change. Considering the vulnerability of fish production to the impacts of climate change, tilapia farming is one of the possible strategies for adaptation to climate change. The positive culture attrib

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Wei, Qi, Yuanyuan Bian, and Xuejuan Yang. "Influencing factors of price fluctuation in China’s carbon market." E3S Web of Conferences 218 (2020): 01044. http://dx.doi.org/10.1051/e3sconf/202021801044.

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Carbon emission trading is an important countermeasure for countries around the world to cope with the challenge of climate change. Price signals in the carbon market play an important stabilizing role. Therefore, research on the factors affecting carbon price fluctuations is of great significance. Based on this, an empirical study on the fluctuation factors of carbon price in China’s pilot carbon market showed that: gross industrial output, coal consumption and the number of extreme weather have a positive impact on carbon prices, while the technology innovation index has a negative impact on

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Tomita, Tomohiko, Takao Yoshikane, and Tetsuzo Yasunari. "Biennial and Lower-Frequency Variability Observed in the Early Summer Climate in the Western North Pacific." Journal of Climate 17, no. 21 (2004): 4254–66. http://dx.doi.org/10.1175/jcli3200.1.

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Abstract Early summer climate in the western North Pacific is largely represented by the baiu phenomenon. The meridional fluctuations of the baiu front on interannual time scales and the associated large-scale circulations are examined using the empirical orthogonal function (EOF) analysis and composite or correlation analyses based on the EOF time coefficients. The first EOF mode indicates a 5- or 6-yr low-frequency fluctuation (LF mode) appearing south of 35°N. The development is concurrent with horseshoe sea surface temperature anomalies (SSTAs) in the entire tropical Pacific that are assoc

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LACORATA, GUGLIELMO, ANDREA PUGLISI, and ANGELO VULPIANI. "ON THE FLUCTUATION-RESPONSE RELATION IN GEOPHYSICAL SYSTEMS." International Journal of Modern Physics B 23, no. 28n29 (2009): 5515–29. http://dx.doi.org/10.1142/s0217979209063821.

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One of the major issues concerning the study of a dynamical system is the response to perturbations. In climate dynamics, for example, it is of major interest to understand how a given variable, e.g., the temperature, is sensitive to alterations of some other component of the system, e.g., the greenhouse gas concentration. We review the connection between equilibrium and non-equilibrium properties, also known as Fluctuation-Relaxation Relation, and its main aspects in chaotic and turbulent systems. We consider, in particular, the effects of the fast variables on the slow variables in a multisc

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Barreto, Ikaro Daniel de Carvalho, and Tatijana Stosic. "Multifractal analysis of rainfall in coastal area in Pernambuco, Brazil." Research, Society and Development 10, no. 2 (2021): e15410212424. http://dx.doi.org/10.33448/rsd-v10i2.12424.

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Global warming and climate change are the mayor concerns of scientists, engineers and policy makers because they affect every aspect of nature and human life. Rainfall and air temperature are the most important variables used to detect climate change, through the statistical analysis of set of indices that describe temperature and rainfall extremes. Over the last decades concepts and methods from complex system science were applied in analysis of hydrological data to describe variability of hydrological processes on multiple temporal and spatial scales. In this work we analyzed daily rainfall

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Pelletier, Fanie, Kelly Moyes, Tim H. Clutton-Brock, and Tim Coulson. "Decomposing variation in population growth into contributions from environment and phenotypes in an age-structured population." Proceedings of the Royal Society B: Biological Sciences 279, no. 1727 (2011): 394–401. http://dx.doi.org/10.1098/rspb.2011.0827.

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Evaluating the relative importance of ecological drivers responsible for natural population fluctuations in size is challenging. Longitudinal studies where most individuals are monitored from birth to death and where environmental conditions are known provide a valuable resource to characterize complex ecological interactions. We used a recently developed approach to decompose the observed fluctuation in population growth of the red deer population on the Isle of Rum into contributions from climate, density and their interaction and to quantify their relative importance. We also quantified the

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Luta, Wendy, Osumanu Haruna Ahmed, Latifah Omar, et al. "Water Table Fluctuation and Methane Emission in Pineapples (Ananas comosus (L.) Merr.) Cultivated on a Tropical Peatland." Agronomy 11, no. 8 (2021): 1448. http://dx.doi.org/10.3390/agronomy11081448.

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Inappropriate drainage and agricultural development on tropical peatland may lead to an increase in methane (CH4) emission, thus expediting the rate of global warming and climate change. It was hypothesized that water table fluctuation affects CH4 emission in pineapple cultivation on tropical peat soils. The objectives of this study were to: (i) quantify CH4 emission from a tropical peat soil cultivated with pineapple and (ii) determine the effects of water table depth on CH4 emission from a peat soil under simulated water table fluctuation. Soil CH4 emissions from an open field pineapple cult

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