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International Journal of Biometeorology

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https://www.readbyqxmd.com/read/27915403/a-simple-approach-for-the-development-of-urban-climatic-maps-based-on-the-urban-characteristics-in-tainan-taiwan
#1
Yu-Cheng Chen, Tzu-Ping Lin, Chien-Ting Lin
Motivated by the increasing thermal load in urban environment, this work established Urban Climatic map (UCmap) focusing on thermal environment issues based on urban development factors, e.g., land cover and building characteristics, representing thermal load of human body and ventilation path in the urban structures. In the established process of UCmap in this work, Tainan city, which is a highly developed city in southern Taiwan, is selected as the research area. A 50-m resolution grid is used to capture urban development factors and the climate data based on 1 year of mobile and fix-point measurements, from which the thermal load and the wind environment map are constructed...
December 3, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27913871/n2o-emission-characteristics-and-its-affecting-factors-in-rain-fed-potato-fields-in-wuchuan-county-china
#2
Liwei Wang, Cheng Wang, Zhihua Pan, Hui Xu, Lin Gao, Peiyi Zhao, Zhiqiang Dong, Jingting Zhang, Guohui Cui, Sen Wang, Guolin Han, Hui Zhao
Representing an important greenhouse gas, nitrous oxide (N2O) emission from cultivated land is a hot topic in current climate change research. This study examined the influences of nitrogen fertilisation, temperature and soil moisture on the ammonia monooxygenase subunit A (amoA) gene copy numbers and N2O emission characteristics. The experimental observation of N2O fluxes was based on the static chamber-gas chromatographic method. The ammonia-oxidising bacteria (AOB) and ammonia-oxidising archaea (AOA) gene copy numbers in different periods were measured by real-time polymerase chain reaction (PCR)...
December 3, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27904969/metabolic-responses-and-omics-technologies-for-elucidating-the-effects-of-heat-stress-in-dairy-cows
#3
REVIEW
Li Min, Shengguo Zhao, He Tian, Xu Zhou, Yangdong Zhang, Songli Li, Hongjian Yang, Nan Zheng, Jiaqi Wang
Heat stress (HS) negatively affects various industries that rely on animal husbandry, particularly the dairy industry. A better understanding of metabolic responses in HS dairy cows is necessary to elucidate the physiological mechanisms of HS and offer a new perspective for future research. In this paper, we review the current knowledge of responses of body metabolism (lipid, carbohydrate, and protein), endocrine profiles, and bovine mammary epithelial cells during HS. Furthermore, we summarize the metabolomics and proteomics data that have revealed the metabolite profiles and differentially expressed proteins that are a feature of HS in dairy cows...
November 30, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27900475/microclimatic-effects-of-planted-hydroponic-structures-in-urban-environment-measurements-and-simulations
#4
N Katsoulas, D Antoniadis, I L Tsirogiannis, E Labraki, T Bartzanas, C Kittas
The objectives of this effort was to study the effect of vertical (green wall) and horizontal (pergola) green structures on the microclimate conditions of the building surroundings and estimate the thermal perception and heat stress conditions near the two structures. The experimental data were used to validate the results simulated by the recent version (V4.0 preview III) of ENVI-met software which was used to simulate the effect of different design parameters of a pergola and a green façade on microclimate and heat stress conditions...
November 29, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27888339/nonlinear-variations-of-forest-leaf-area-index-over-china-during-1982-2010-based-on-eemd-method
#5
Yunhe Yin, Danyang Ma, Shaohong Wu, Erfu Dai, Zaichun Zhu, Ranga B Myneni
Variations in leaf area index (LAI) are critical to research on forest ecosystem structure and function, especially carbon and water cycle, and their responses to climate change. Using the ensemble empirical mode decomposition (EEMD) method and global inventory modeling and mapping studies (GIMMS) LAI3g dataset from 1982 to 2010, we analyzed the nonlinear feature and spatial difference of forest LAI variability over China for the past 29 years in this paper. Results indicated that the national-averaged forest LAI was characterized by quasi-3- and quasi-7-year oscillations, which generally exhibited a rising trend with an increasing rate...
November 25, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27888338/a-comprehensively-quantitative-method-of-evaluating-the-impact-of-drought-on-crop-yield-using-daily-multi-scale-spei-and-crop-growth-process-model
#6
Qianfeng Wang, Jianjun Wu, Xiaohan Li, Hongkui Zhou, Jianhua Yang, Guangpo Geng, Xueli An, Leizhen Liu, Zhenghong Tang
The quantitative evaluation of the impact of drought on crop yield is one of the most important aspects in agricultural water resource management. To assess the impact of drought on wheat yield, the Environmental Policy Integrated Climate (EPIC) crop growth model and daily Standardized Precipitation Evapotranspiration Index (SPEI), which is based on daily meteorological data, are adopted in the Huang Huai Hai Plain. The winter wheat crop yields are estimated at 28 stations, after calibrating the cultivar coefficients based on the experimental site data, and SPEI data was taken 11 times across the growth season from 1981 to 2010...
November 25, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27882432/microclimatic-conditions-of-lasius-flavus-ant-mounds
#7
Adam Véle, Jaroslav Holuša
Like other organisms, ants require suitable microclimatic conditions for their development. Thus, ant species inhabiting colder climates build nest mounds that rise above the soil surface, presumably to obtain heating from solar radiation. Although some ant species construct mounds of organic materials, which generate substantial heat due to microbial metabolism, Lasius flavus mounds consists mostly of soil, not organic material. The use of artificial shading in the current study demonstrated that L. flavus depends on direct solar radiation to regulate the temperature in its mound-like nests...
November 23, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27878388/influence-of-geomagnetic-activity-and-earth-weather-changes-on-heart-rate-and-blood-pressure-in-young-and-healthy-population
#8
V A Ozheredov, S M Chibisov, M L Blagonravov, N A Khodorovich, E A Demurov, V A Goryachev, E V Kharlitskaya, I S Eremina, Z A Meladze
There are many references in the literature related to connection between the space weather and the state of human organism. The search of external factors influence on humans is a multi-factor problem and it is well known that humans have a meteo-sensitivity. A direct problem of finding the earth weather conditions, under which the space weather manifests itself most strongly, is discussed in the present work for the first time in the helio-biology. From a formal point of view, this problem requires identification of subset (magnetobiotropic region) in three-dimensional earth's weather parameters such as pressure, temperature, and humidity, corresponding to the days when the human body is the most sensitive to changes in the geomagnetic field variations and when it reacts by statistically significant increase (or decrease) of a particular physiological parameter...
November 22, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27858164/increases-in-external-cause%C3%A2-mortality-due-to-high-and-low-temperatures-evidence-from-northeastern-europe
#9
Hans Orru, Daniel Oudin Åström
The relationship between temperature and mortality is well established but has seldom been investigated in terms of external causes. In some Eastern European countries, external cause mortality is substantial. Deaths owing to external causes are the third largest cause of mortality in Estonia, after cardiovascular disease and cancer. Death rates owing to external causes may reflect behavioural changes among a population. The aim for the current study was to investigate if there is any association between temperature and external cause mortality, in Estonia...
November 17, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27853874/comparative-expression-profile-of-nod1-2-and-certain-acute-inflammatory-cytokines-in-thermal-stressed-cell-culture-model-of-native-and-crossbred-cattle
#10
V Bhanuprakash, Umesh Singh, Gyanendra Singh Sengar, T V Raja, Basavraj Sajjanar, Rani Alex, Sushil Kumar, R R Alyethodi, Ashish Kumar, Ankur Sharma, Suresh Kumar, Bharat Bhusan, Rajib Deb
Thermotolerance depends mainly on the health and immune status of the animals. The variation in the immune status of the animals may alter the level of tolerance of animals exposed to heat or cold stress. The present study was conducted to investigate the expression profile of two important nucleotide binding and oligomerization domain receptors (NLRs) (NOD1 and NOD2) and their central signalling molecule RIP2 gene during in vitro thermal-stressed bovine peripheral blood mononuclear cells (PBMCs) of native (Sahiwal) and crossbred (Sahiwal X HF) cattle...
November 16, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27853873/change-of-plant-phenophases-explained-by-survival-modeling
#11
Barbara Templ, Stefan Fleck, Matthias Templ
It is known from many studies that plant species show a delay in the timing of flowering events with an increase in latitude and altitude, and an advance with an increase in temperature. Furthermore, in many locations and for many species, flowering dates have advanced over the long-term. New insights using survival modeling are given based on data collected (1970-2010) along a 3000-km long transect from northern to eastern central Europe. We could clearly observe that in the case of dandelion (Taraxacum officinale) the risk of flowering time, in other words the probability that flowering occurs, is higher for an earlier day of year in later decades...
November 16, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27841003/a-robust-impact-assessment-that-informs-actionable-climate-change-adaptation-future-sunburn-browning-risk-in-apple
#12
Leanne Webb, Rebecca Darbyshire, Tim Erwin, Ian Goodwin
Climate change impact assessments are predominantly undertaken for the purpose of informing future adaptation decisions. Often, the complexity of the methodology hinders the actionable outcomes. The approach used here illustrates the importance of considering uncertainty in future climate projections, at the same time providing robust and simple to interpret information for decision-makers. By quantifying current and future exposure of Royal Gala apple to damaging temperature extremes across ten important pome fruit-growing locations in Australia, differences in impact to ripening fruit are highlighted, with, by the end of the twenty-first century, some locations maintaining no sunburn browning risk, while others potentially experiencing the risk for the majority of the January ripening period...
November 14, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27837284/forest-dynamics-to-precipitation-and-temperature-in-the-gulf-of-mexico-coastal-region
#13
Tianyu Li, Qingmin Meng
The forest is one of the most significant components of the Gulf of Mexico (GOM) coast. It provides livelihood to inhabitant and is known to be sensitive to climatic fluctuations. This study focuses on examining the impacts of temperature and precipitation variations on coastal forest. Two different regression methods, ordinary least squares (OLS) and geographically weighted regression (GWR), were employed to reveal the relationship between meteorological variables and forest dynamics. OLS regression analysis shows that changes in precipitation and temperature, over a span of 12 months, are responsible for 56% of NDVI variation...
November 12, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27832355/influence-of-meteorological-elements-on-balance-control-and-pain-in-patients-with-symptomatic-knee-osteoarthritis
#14
Laetitia Peultier, Alexis Lion, Isabelle Chary-Valckenaere, Damien Loeuille, Zheng Zhang, Anne-Christine Rat, René Gueguen, Jean Paysant, Philippe P Perrin
This study aimed to determine if pain and balance control are related to meteorological modifications in patients with knee osteoarthritis (OA). One hundred and thirteen patients with knee OA (mean age = 65 ± 9 years old, 78 women) participated in this study. Static posturography was performed, sway area covered and sway path traveled by the center of foot pressure being recorded under six standing postural conditions that combine three visual situations (eyes open, eyes closed, vision altered) with two platform situations (firm and foam supports)...
November 10, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27822625/where-are-weather-suicide-associations-valid-an-examination-of-nine-us-counties-with-varying-seasonality
#15
P Grady Dixon, Adam J Kalkstein
There has been much research on the associations between weather variables and suicide rates. However, the state of understanding has remained rather stagnant due to many contradictory findings. The purpose of this project is to examine a larger database of suicides that includes a longer and more recent period of record (1975-2010) across numerous locations in the USA. In all, we examine nine total counties (and the primary city associated with them) with a special effort made to compare locations with varying degrees of temperature seasonality: Cook (Chicago), Fulton (Atlanta), King (Seattle), Los Angeles (Los Angeles), Maricopa (Phoenix), Miami-Dade (Miami), Philadelphia (Philadelphia), Salt Lake (Salt Lake City), and St...
November 7, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27796569/vulnerability-to-extreme-heat-associated-hospitalization-in-three-counties-in-michigan-usa-2000-2009
#16
Adesuwa S Ogbomo, Carina J Gronlund, Marie S O'Neill, Tess Konen, Lorraine Cameron, Robert Wahl
With climate change, extreme heat (EH) events are increasing, so it is important to understand who is vulnerable to heat-associated morbidity. We determined the association between EH and hospitalizations for all natural causes; cardiovascular, respiratory, and renal diseases; diabetes mellitus; and acute myocardial infarction in Michigan, USA, at different intensities and durations. We assessed confounding by ozone and how individual characteristics and health insurance payer (a proxy for income) modified these associations...
October 30, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27796568/response-of-water-deficit-regime-and-soil-amelioration-on-evapotranspiration-loss-and-water-use-efficiency-of-maize-zea-mays-l-in-subtropical-northeastern-himalayas
#17
M A Marwein, B U Choudhury, D Chakraborty, M Kumar, A Das, D J Rajkhowa
Rainfed maize production in the hilly ecosystem of Northeastern Himalayas often suffers from moisture and soil acidity induced abiotic stresses. The present study measured evapotranspiration loss (ETc) of maize crop under controlled condition (pot experiment) of water deficit (W25-25 % and W50-50 % of field capacity soil moistures) and well watered (W100 = 100 % of field capacity (FC)) regimes in strong acid soils (pH = 4.3) of the Northeastern Himalayan Region of India. The response of soil ameliorants (lime) and phosphorus (P) nutrition under differential water regimes on ETc losses and water use efficiency was also studied...
October 29, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27796567/the-role-of-drought-on-wheat-yield-interannual-variability-in-the-iberian-peninsula-from-1929-to-2012
#18
P Páscoa, C M Gouveia, A Russo, R M Trigo
The production of wheat in the Iberian Peninsula is strongly affected by climate conditions being particularly vulnerable to interannual changes in precipitation and long-term trends of both rainfall and evapotranspiration. Recent trends in precipitation and temperature point to an increase in dryness in this territory, thus highlighting the need to understand the dependence of wheat yield on climate conditions. The present work aims at studying the relation between wheat yields and drought events in the Iberian Peninsula, using a multiscalar drought index, the standardized precipitation evapotranspiration index (SPEI), at various timescales...
October 28, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27796566/revealing-the-association-between-cerebrovascular-accidents-and-ambient-temperature-a-meta-analysis
#19
Andrés Zorrilla-Vaca, Ryan Jacob Healy, Melissa M Silva-Medina
The association between cerebrovascular accidents (CVA) and weather has been described across several studies showing multiple conflicting results. In this paper, we aim to conduct a meta-analysis to further clarify this association, as well as to find the potential sources of heterogeneity. PubMed, EMBASE, and Google Scholar were searched from inception through 2015, for articles analyzing the correlation between the incidence of CVA and temperature. A pooled effect size (ES) was estimated using random effects model and expressed as absolute values...
October 28, 2016: International Journal of Biometeorology
https://www.readbyqxmd.com/read/27787628/enso-and-pdo-related-climate-variability-impacts-on-midwestern-united-states-crop-yields
#20
Chasity Henson, Patrick Market, Anthony Lupo, Patrick Guinan
An analysis of crop yields for the state of Missouri was completed to determine if an interannual or multidecadal variability existed as a result of the El Niño Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO). Corn and soybean yields were recorded in kilograms per hectare for each of the six climate regions of Missouri. An analysis using the Mokhov "method of cycles" demonstrated interannual, interdecadal, and multidecadal variations in crop yields. Cross-spectral analysis was used to determine which region was most impacted by ENSO and PDO influenced seasonal (April-September) temperature and precipitation...
October 27, 2016: International Journal of Biometeorology
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