International Journal of Biometeorology最新文献

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Inhalation therapy with sulfur-rich thermal water for rhinogenic deafness: a series of case reports 含硫热水吸入治疗鼻源性耳聋:一系列病例报告。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-10 DOI: 10.1007/s00484-024-02841-z
Michele Antonelli, Andrea Pennacchi, Giuseppe Pasquarella, Marcello Moscoloni, Geniale Mariani, Bruno Borioni
{"title":"Inhalation therapy with sulfur-rich thermal water for rhinogenic deafness: a series of case reports","authors":"Michele Antonelli,&nbsp;Andrea Pennacchi,&nbsp;Giuseppe Pasquarella,&nbsp;Marcello Moscoloni,&nbsp;Geniale Mariani,&nbsp;Bruno Borioni","doi":"10.1007/s00484-024-02841-z","DOIUrl":"10.1007/s00484-024-02841-z","url":null,"abstract":"<div><p>The study analyzed the effectiveness of a two-week cycle of sulfurous water therapy at Frasassi Thermal Springs (“Terme di Frasassi - S. Vittore”, located in the Province of Ancona, Italy) on 8 patients suffering from rhinogenic deafness caused by chronic rhinosinusitis associated with nasal polyps and respiratory allergies. Patients underwent 12 sessions of sulfurous aerosol therapy and 12 bilateral tubal insufflations (1 aerosol and 1 insufflation per day). Pre- and post-treatment assessments included tympanometric measurements and a subjective evaluation of symptomatic improvement on a scale from 1 to 10. The median reported improvement was 9.5 (min: 7; max: 10). By the end of the treatment, all patients achieved a bilateral type A/A tympanogram, indicating restored tubal function. The results suggest that sulfurous water thermal therapy can be a useful treatment for rhinogenic deafness associated with chronic rhinosinusitis, nasal polyps, and respiratory allergies, with significant improvements in both auditory function and quality of life. Further studies are needed to compare this treatment with other therapies and to precisely evaluate the duration of the benefit over time.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"703 - 707"},"PeriodicalIF":3.0,"publicationDate":"2024-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142798999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review of short-term weather impacts on honey production 短期天气对蜂蜜生产的影响综述。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-07 DOI: 10.1007/s00484-024-02824-0
Csilla Vincze, Ádám Leelőssy, Edit Zajácz, Róbert Mészáros
{"title":"A review of short-term weather impacts on honey production","authors":"Csilla Vincze,&nbsp;Ádám Leelőssy,&nbsp;Edit Zajácz,&nbsp;Róbert Mészáros","doi":"10.1007/s00484-024-02824-0","DOIUrl":"10.1007/s00484-024-02824-0","url":null,"abstract":"<div><p>Beekeeping is an exceptionally weather-sensitive agricultural field. Honey production and pollination services depend on the complex interaction of plants and bees, both of which are impacted by short-term weather changes. In this review, classical and recent research is collected to provide an overview on short-term atmospheric factors influencing honey production, and the optimal and critical weather conditions for bee activity. Bee flight can be directly obstructed by precipitation, wind, extreme temperatures and also air pollution. Bees generally fly within a temperature range of 10–40 °C, with optimal foraging efficiency occurring between 20 and 30 °C. Wind speeds exceeding 1.6–6.7 m/s can reduce foraging efficiency. Additionally, bee activity is significantly correlated with temperature, relative humidity and solar radiation, factors which influence nectar production. Optimal conditions for nectar collection typically occur in the morning and early afternoon hours with mild and moist weather. The diurnal nectar collection habit of bees adjusts to the nectar production of individual plant species. Extreme weather occurring in the sensitive hours is noticeable both in the nectar production of plants and in the activity of bees, thus in the honey yield. Understanding the impact of weather on honey bees is crucial in the management and planning of honey production. This review highlights the importance of studying these interactions to better adapt beekeeping practices to changing environmental conditions. </p><h3>Graphical Abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 2","pages":"303 - 317"},"PeriodicalIF":3.0,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11785677/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790864","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of multistage crop yield estimation model using machine learning and deep learning techniques 利用机器学习和深度学习技术开发多阶段作物产量估计模型。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-07 DOI: 10.1007/s00484-024-02829-9
K. S. Aravind, Ananta Vashisth, P. Krishnan, Monika Kundu, Shiv Prasad, M. C. Meena, Achal Lama, Pankaj Das, Bappa Das
{"title":"Development of multistage crop yield estimation model using machine learning and deep learning techniques","authors":"K. S. Aravind,&nbsp;Ananta Vashisth,&nbsp;P. Krishnan,&nbsp;Monika Kundu,&nbsp;Shiv Prasad,&nbsp;M. C. Meena,&nbsp;Achal Lama,&nbsp;Pankaj Das,&nbsp;Bappa Das","doi":"10.1007/s00484-024-02829-9","DOIUrl":"10.1007/s00484-024-02829-9","url":null,"abstract":"<div><p>In this research paper, machine learning techniques were applied to a multivariate meteorological time series data for estimating the wheat yield of five districts of Punjab. Wheat yield data and weather parameters over 34 years were collected from the study area and the model was developed using stepwise multi-linear regression (SMLR), artificial neural network (ANN), support vector regression (SVR), random forest (RF) and deep neural network (DNN) techniques. Wheat yield estimation was done at the tillering, flowering, and grain-filling stage of the crop by considering weather variables from 46 to 4th, 46 to 8th, and 46 to 11th standard meteorological week. Weighted and unweighted Meteorological variables and yield data were used to train, test, and validate the models in R software. The evaluation results showed a consistent and promising performance of RF, SVR, and DNN models for all five districts with an overall MAPE and nRMSE value of less than 6% during validation at all three growth stages. These models exhibited outstanding performance during validation for the Faridkot, Ferozpur, and Gurdaspur districts. Based on accuracy parameters MAPE, RMSE, nRMSE, and percentage deviation, the RF model was found better followed by SVR and DNN models and, hence can be used for district-level wheat crop yield estimation at different crop growth stages.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 2","pages":"499 - 515"},"PeriodicalIF":3.0,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142790826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hyperspectral imaging reveals that sapropelic mud therapy may improve local tissue oxygenation in elderly 高光谱成像显示腐泥疗法可改善老年人局部组织氧合。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-05 DOI: 10.1007/s00484-024-02838-8
Mihaela Antonina Calin, Dragos Manea, Sorin Viorel Parasca, Cristina Popescu, Elena-Valentina Ionescu, Constantin Munteanu
{"title":"Hyperspectral imaging reveals that sapropelic mud therapy may improve local tissue oxygenation in elderly","authors":"Mihaela Antonina Calin,&nbsp;Dragos Manea,&nbsp;Sorin Viorel Parasca,&nbsp;Cristina Popescu,&nbsp;Elena-Valentina Ionescu,&nbsp;Constantin Munteanu","doi":"10.1007/s00484-024-02838-8","DOIUrl":"10.1007/s00484-024-02838-8","url":null,"abstract":"<div><p>Sapropelic muds have been used for centuries to treat various illnesses, but their effects and mechanisms are still under research. In this study the effects of Techirghiol sapropelic mud on tissue oxygenation in elderly patients diagnosed with neuromuscular disorders were investigated using spatial and spectral information provided by hyperspectral imaging technique. A group of 38 elderly patients with neuromuscular disorders for which they received mud therapy was studied. Sapropelic mud was applied to the lumbar region of each patient for 30 min, directly on the skin in a thick layer, while a symmetrical area of ​​15 × 10 cm in the same region was covered with a medical patch to serve as the control area. The mud is typically heated to a temperature of 40–45 °C before application. Hyperspectral images were taken before, after the first day of therapy, and at day seven. Oxyhemoglobin and deoxyhemoglobin concentrations and oxygen saturation values were calculated from the hyperspectral images and compared to control areas. The results revealed that, in the treated area, the mean oxyhemoglobin concentration increased with + 0.2127 ± 0.1096 mol cm∕L, while deoxyhemoglobin concentration decreased by -0.0509 ± 0.0558 mol cm∕L. Local tissue oxygen saturation raised to over 98% in all patients. Lesser improvements were recorded for the control areas: oxyhemoglobin increased with + 0.1673 ± 0.1059 mol cm∕L, and deoxyhemoglobin decreased with − 0.0525 ± 0.0578 mol cm∕L. A good level of agreement was found between values of oxygen saturation measured with hyperspectral imaging method and the classical pulse oximetry method. Thus, improvement in local circulation was demonstrated after mud therapy. In conclusion, therapy with Techirghiol sapropelic mud improved local tissue oxygenation, hyperspectral imaging being a reliable and non-invasive tool for monitoring these changes.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"591 - 604"},"PeriodicalIF":3.0,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00484-024-02838-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783782","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Approach for the vertical wind speed profile implemented in the UTCI basics blocks UTCI applications at the urban pedestrian level 在UTCI基础设施中实施的垂直风速剖面方法阻碍了UTCI在城市行人层面的应用。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-03 DOI: 10.1007/s00484-024-02835-x
Hyunjung Lee, Sookuk Park, Helmut Mayer
{"title":"Approach for the vertical wind speed profile implemented in the UTCI basics blocks UTCI applications at the urban pedestrian level","authors":"Hyunjung Lee,&nbsp;Sookuk Park,&nbsp;Helmut Mayer","doi":"10.1007/s00484-024-02835-x","DOIUrl":"10.1007/s00484-024-02835-x","url":null,"abstract":"<div><p>The applicability of the Universal Thermal Climate Index (UTCI) at the urban pedestrian level is analysed in relation to the approach for the vertical wind speed profile (VWSP) used in the UTCI basics. As the UTCI refers to the human-biometeorological reference height (<i>z</i><sub><i>h−b</i></sub>) of 1.1 m above ground level (agl), all meteorological input variables for UTCI calculations should also be originated from <i>z</i><sub><i>h−b</i></sub>. Since the development of the UTCI considered meteorological conventions for stations routinely operated by national weather services, the wind speed (<i>v</i>) as one of four meteorological input variables is initially required at 10 m agl (<i>v</i><sub><i>10 m</i></sub>). In order to calculate <i>v</i> at <i>z</i><sub><i>h−b</i></sub> from <i>v</i><sub><i>10 m</i></sub>, the logarithmic law for the VWSP is implemented in the UTCI basics, but only for neutral atmospheric stability and a roughness length (<i>z</i><sub><i>0</i></sub>) for short-cut grassland (<i>z</i><sub><i>0</i></sub> = 0.01 m). This methodological approach cannot be changed in the UTCI basics so far. The UTCI developers also recommend the application of the same logarithmic law, if <i>v</i> values at lower heights have to be extrapolated to 10 m agl. However, the use of this VWSP approach disregards basic air flow findings and principles in the urban canopy layer (UCL). If the UTCI is nevertheless applied at the urban pedestrian level, inaccuracies in the UTCI values will occur. With reference to <i>z</i><sub><i>0</i></sub> = 0.80 m, which is more typical for the UCL, they can be up to 7 K, as shown in the example of three different climate zones.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"567 - 580"},"PeriodicalIF":3.0,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of heatwave and cold spell on cardiovascular disease mortality in central China, 2018–2022 2018-2022年中国中部地区热浪和寒潮对心血管疾病死亡率的影响
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-12-03 DOI: 10.1007/s00484-024-02836-w
Ling-Shuang Lv, Li Yin, Yuan Liu, Chun-Liang Zhou, Ji Hu, Ning An, Xian Xie, Xing-E Zhang, Min Zhang, Xiu-Ying Liu
{"title":"The effect of heatwave and cold spell on cardiovascular disease mortality in central China, 2018–2022","authors":"Ling-Shuang Lv,&nbsp;Li Yin,&nbsp;Yuan Liu,&nbsp;Chun-Liang Zhou,&nbsp;Ji Hu,&nbsp;Ning An,&nbsp;Xian Xie,&nbsp;Xing-E Zhang,&nbsp;Min Zhang,&nbsp;Xiu-Ying Liu","doi":"10.1007/s00484-024-02836-w","DOIUrl":"10.1007/s00484-024-02836-w","url":null,"abstract":"<div><p>Heatwave and cold spell have been linked to cardiovascular disease (CVD) mortality. However, due to the varying definitions of heatwave and cold spell, their impacts on CVD mortality are inconsistent. METHODS: A time series study in Hunan province, central of China, from 2018 to 2022, was conducted to test the relationship between heatwave, cold spell and CVD mortality. According to different percentiles of daily mean temperatures and exposure duration, we built 9 kind of definitions for heatwave and cold spell. Distributed lag non-linear model was used to analyze the associations between heatwave, cold spell and CVD mortality, and the attributable fraction (AF) were estimated. RESULTS: The relative risks of CVD mortality associated with heatwave and cold spell varied depending on the definitions, ranging from 1.154 (95% CI: 1.148–1.160) to 1.229 (95% CI: 1.215–1.243) for heatwaves, and from 1.196 (95% CI: 1.192–1.201) to 1.290 (95% CI: 1.282–1.297) for cold spells. Under the definition of 95th percentile with ≥ 4-d duration (P95_4d), the total AF of CVD mortality attributable to heatwave was the largest at 8.43 (95% CI: 7.92–8.94). For the definition of 5th percentile with ≥ 3-d duration (P5_3d), the total AF attributable to cold spell was the largest at 12.96 (95% CI: 12.64–13.28). For heatwave and cold spell, higher CVD mortality risks were observed in females and the elderly over 75 years than males and young people. DISCUSSION: We found that both heatwave and cold spell could increase the mortality risk of CVD. The results highlight the importance of implementing warning systems for extreme temperature.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"581 - 589"},"PeriodicalIF":3.0,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of repeated hot and cold stimulation for the neck and shoulders on muscle fatigue recovery: a pilot study 颈部和肩部反复冷热刺激对肌肉疲劳恢复的影响:一项试点研究。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-11-28 DOI: 10.1007/s00484-024-02834-y
Ryoko Nomura, Mika Kamiya, Maki Sato, Natsuki Nakayama, Kei Watanabe, Tomohisa Kato, Satoshi Iwase
{"title":"Effect of repeated hot and cold stimulation for the neck and shoulders on muscle fatigue recovery: a pilot study","authors":"Ryoko Nomura,&nbsp;Mika Kamiya,&nbsp;Maki Sato,&nbsp;Natsuki Nakayama,&nbsp;Kei Watanabe,&nbsp;Tomohisa Kato,&nbsp;Satoshi Iwase","doi":"10.1007/s00484-024-02834-y","DOIUrl":"10.1007/s00484-024-02834-y","url":null,"abstract":"<div><p>Increased use of electronic devices such as smartphones has led to an increase in neck and shoulder stiffness to the forefront of the public people. It is said that prolonged posture with the head tilted forward causes excessive muscle activity in the head and neck region, resulting in muscle fatigue symptoms such as stiff shoulders. Various bathing methods have been proposed as a means of recovering from muscle stiffness, and in particular, contrast water therapy (CWT) is said to be highly effective in recovering from muscle fatigue. In the present study, we examined the effect of CWT with hot and cold stimulation of the neck and shoulders (CWTNS) on muscle fatigue recovery. As the result, in the CWTNS condition, the effects of vasodilation and vasoconstriction were observed, and muscle hardness was significantly lower than that in the Control condition in 20 subjects (2 males, 18 females). Stress hormones were also decreased during and after bathing compared to those before bathing. These results motivate further exploration of the possibility that the effects of CWTNS could be muscle-recovery without high stress load.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"557 - 565"},"PeriodicalIF":3.0,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142738234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Health resort medicine: a new model for promoting longevity and healthy aging. 健康度假医学:促进长寿和健康老龄化的新模式。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-11-28 DOI: 10.1007/s00484-024-02837-9
Maria Chiara Maccarone, Gianluca Regazzo, Anna Scanu, Stefano Masiero
{"title":"Health resort medicine: a new model for promoting longevity and healthy aging.","authors":"Maria Chiara Maccarone, Gianluca Regazzo, Anna Scanu, Stefano Masiero","doi":"10.1007/s00484-024-02837-9","DOIUrl":"https://doi.org/10.1007/s00484-024-02837-9","url":null,"abstract":"","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142738242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gross primary productivity estimation through remote sensing and machine learning techniques in the high Andean Region of Ecuador 通过遥感和机器学习技术估算厄瓜多尔安第斯高原地区的总初级生产力。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-11-27 DOI: 10.1007/s00484-024-02832-0
Cindy Urgilés, Johanna Orellana-Alvear, Patricio Crespo, Galo Carrillo-Rojas
{"title":"Gross primary productivity estimation through remote sensing and machine learning techniques in the high Andean Region of Ecuador","authors":"Cindy Urgilés,&nbsp;Johanna Orellana-Alvear,&nbsp;Patricio Crespo,&nbsp;Galo Carrillo-Rojas","doi":"10.1007/s00484-024-02832-0","DOIUrl":"10.1007/s00484-024-02832-0","url":null,"abstract":"<div><p>Accurately estimating gross primary productivity (GPP) is crucial for simulating the carbon cycle and addressing the challenges of climate change. However, estimating GPP is challenging due to the absence of direct measurements at scales larger than the leaf level. To overcome this challenge, researchers have developed indirect methods such as remote sensing and modeling approaches. This study estimated GPP in a humid páramo ecosystem in the Andean Mountains using machine learning models (ML), specifically Random Forest (RF) and Support Vector Regression (SVR), and compared them with traditional models. The study's objective was to analyze the strength and complex nonlinear relationships that govern GPP and to perform an uncertainty analysis for future climate projections. The methodology used to estimate GPP showed that ML-based models outperformed traditional models. The performance of ML models varied significantly among seasons, with the correlation coefficient (R) ranging from 0.24 to 0.86. The RF model performed better in capturing the temporal changes and magnitude of GPP in the less humid season, displaying the highest R (0.86), lowest root mean squared error (0.37 g C*m<sup>−2</sup>), and percentage bias (-3%). Additionally, the analysis indicates that solar radiation is the primary predictor of GPP in the páramo biome, rather than water. The study presents a method for deriving daily GPP fluxes and evaluates the impact of various variables on GPP estimates. This information can be employed in the development of vegetation prediction models.</p></div>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":"69 3","pages":"541 - 556"},"PeriodicalIF":3.0,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142724588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mapping tree canopy thermal refugia for birds using biophysical models and LiDAR. 利用生物物理模型和激光雷达绘制鸟类的树冠热庇护所图。
IF 3 3区 地球科学
International Journal of Biometeorology Pub Date : 2024-11-25 DOI: 10.1007/s00484-024-02833-z
Lara H Strydom, Shannon R Conradie, Izak P J Smit, Michelle Greve, Peter B Boucher, Andrew B Davies, Andrew E McKechnie
{"title":"Mapping tree canopy thermal refugia for birds using biophysical models and LiDAR.","authors":"Lara H Strydom, Shannon R Conradie, Izak P J Smit, Michelle Greve, Peter B Boucher, Andrew B Davies, Andrew E McKechnie","doi":"10.1007/s00484-024-02833-z","DOIUrl":"https://doi.org/10.1007/s00484-024-02833-z","url":null,"abstract":"<p><p>Accurately predicting exposure of animals to climate change requires evaluating the effects of warming on the microclimates they occupy. Birds, like many other taxa, make extensive use of cool microsites in vegetation during hot weather. Taking advantage of recent advances in modelling tree canopy microclimates, we combined LiDAR-based individual tree canopy mapping and biophysical modelling to evaluate the current and future availability of cool microsites in a subtropical African savanna landscape. We constructed biophysical models for two common bird species, an ~ 40-g bulbul and an ~ 200-g hornbill, and modelled exposure to conditions under which the body temperature (T<sub>b</sub>) of individuals resting in canopies exceeds 42 °C, equivalent to ~ 2 °C above resting thermoneutral T<sub>b</sub>. At present, 34.5% of trees taller than 2 m in our 139-ha study site provide microclimates in which resting T<sub>b</sub> remained below 42 °C for both species during our study period. Under a Representative Concentration Pathway 8.5 climate change scenario and assuming no change in vegetation structure, by the end of the Century the availability of microsites characterized by T<sub>b</sub> < 42 °C will decrease to just 0.4% and 3.8% for bulbuls and hornbills, respectively. The proportion of trees in whose canopies bulbuls' and hornbills' exposure to T<sub>b</sub> > 42 °C is limited to < 10 d summer<sup>- 1</sup> will decrease from 98 to 99% currently to 3.0% and 24.3% by end-century, respectively. These findings reveal the magnitude of changes for birds in a savanna thermal landscape under a business-as-usual emissions scenario.</p>","PeriodicalId":588,"journal":{"name":"International Journal of Biometeorology","volume":" ","pages":""},"PeriodicalIF":3.0,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142708711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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