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Impacts of land use and land cover changes on hydrological processes and sediment yield determined using the sWAT model

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International Journal of sediment Research 2022年第1期37卷 54-69页

作者： Edivaldo Afonso de Oliveira serr?o Madson Tavares silva thomás Rocha Ferreira Lorena Concei??o Paiva de Ataide Cleber Assis dos santos Aline Maria Meiguins de Lima Vicente de Paulo Rodrigues da silva Francisco de Assis salviano de sousa Denis José Cardoso Gomes Academic Unit of Atmospheric sciences Federal University of Campina Grande Department of Physics Center for Natural and Exact Sciences Federal University of Santa Maria Institute of Technology Civil Engineering Graduate Program Federal University of Pará Earth system science Center National Institute of Space Research Institute of Geosciences Federal University of Pará

Land use and land cover (LULC) changes strongly affect local hydrology and sediment *** current study focused on a basin in the Brazilian Amazon and had the following three objectives:(1) to perform an effective diagnosis of flow and sediment yield,(2) to evaluate the impacts of LULC changes over the last 40 years on the hydro-sedimentological variables,and (3) to investigate the impacts of the possible trends or breaking points in the flow,surface runoff,and sediment yield *** soil and Water Assessment Tool (sWAT) model validation showed that the simulated results were consistent with the data measured in the dynamic reproduction of flow ***,changes in LULC altered surface runoff,sediment yield,and flow according to the Mann-Kendall and Pettitt non-parametric *** was also observed that the sub-basins in which pastureland is predominant are more susceptible to increased surface runoff and sediment *** to trend and homogeneity tests,these sub-basins had break points in the time series of these *** the other hand,in the sub-basins whose land cover is predominantly forest,the time series is homogeneous and *** current study highlighted the impacts that 40 years of LULC changes in an Amazonian basin had on hydro-sedimentological variables,which,in turn,can play an important role in changing the hydrological cycle,consequently these changes can also impact diverse human activities in the region,such as agribusiness,livestock,energy production,food security,and public water ***,it is concluded that the sWAT model is a good estimator of hydro-sedimentological processes in Amazonian basins and can be used by decision makers in the management of water and environmental resources.

关键词： Hydrological modeling sediment yield Amazon basin sWAT model

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腹腔脓毒症再手术是否会加重炎症宿主的反应

战创伤参考资料 1998年第3期27卷 58-58页

作者： thom.,s

评估清晨或夜晚服用降压药对24h动态血压的影响:清晨或夜间服用降压药的希腊英国联合研究

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中华高血压杂志 2018年第10期26卷 999-999页

作者： Poulter NR savopoulos C Anjum A Apostolopoulou M Chapman N Cross M Falaschetti E Fotiadis s James RM Kanellos I szigeti M thom s sever P thompson D Hatzitolios AI 赵狄练桂丽

观察数据显示，临床血压水平与随后的主要不良心血管事件之间存在强烈的线性关系。然而，动态血压监测显示，夜间血压水平比24h或白天血压水平更能预测主要的不良心血管事件。此外，夜间与白天的血压比值和杓型状态也是心血管结局的重... 详细信息

观察数据显示，临床血压水平与随后的主要不良心血管事件之间存在强烈的线性关系。然而，动态血压监测显示，夜间血压水平比24h或白天血压水平更能预测主要的不良心血管事件。此外，夜间与白天的血压比值和杓型状态也是心血管结局的重要独立预测因素。这些发现可能对抗高血压药物的最佳给药时间有影响，一些研究表明，夜晚服用降压药可能较白天服药减少心血管事件。

关键词： 24h动态血压降压药服用不良心血管事件夜晚独立预测因素英国希腊

固定低剂量三联抗高血压药物与常规治疗对斯里兰卡轻度至中度高血压患者血压控制的疗效差异:一项随机临床试验

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中华高血压杂志 2018年第12期26卷 1130-1130页

作者： Web-ster R salam A de silva HA selak V stepien s Rajapakse s Amarasekara s Amarasena N Billot L de silva AP Fernando M Guggilla R Jan s Jayawardena J Maulik PK Mendis s Munasinghe J Naik N Prabhakaran D Ranasinghe G thom s Tisserra N senaratne V Wijekoon s Wijeyasingam s Rodgers A Patel A 刘莉叶鹏

控制不良的高血压是全球领先的公共卫生问题,需要新的治疗策略。该研究评估低剂量三联抗高血压药物治疗是否能达到比常规治疗更好的血压控制。研究者纳入2016年2月至2017年5月在斯里兰卡11所城市医院诊所就诊的需要开始抗高血压治疗(未... 详细信息

控制不良的高血压是全球领先的公共卫生问题,需要新的治疗策略。该研究评估低剂量三联抗高血压药物治疗是否能达到比常规治疗更好的血压控制。研究者纳入2016年2月至2017年5月在斯里兰卡11所城市医院诊所就诊的需要开始抗高血压治疗(未治疗的患者)或接受单药治疗的患者,进行低剂量三联降压与常规治疗比较的随机、开放性试验,随访至2017年10月。

关键词：高血压患者随机临床试验抗高血压药物常规治疗血压控制斯里兰卡低剂量疗效差异

Geoscience for the public： Geotopes and National GeoParks in Germany

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Episodes 2004年第4期27卷 279-283页

作者： Heinz-GerdRioehling Michaelschmidt-thomè LowersaxonyGeologicalsurveystilleweg2 D-30657Hartnover.Germany FederalInstitUteforGeoscienceandNaturalResources.stilleweg2 D-30657Hannover.Germany.

Geotopes or geological sites provide information on the evolution, structure and properties of the Earth's crust and on the geological past. They also represent the great variety of features that characterize a landscape, For this reason, their preservation is of special concern to geosciences. As early as in the 19th century, outstanding rock formations became important tourist sites although the modern terms ""geosites"" and ""geotourism"" were unknown. The paper describes the German initiatives on geotope conservation and the implementation of National GeoParks in Germany and their use for education and tourism.

关键词：地质公园德国演化信息地壳结构教育价值旅游产业

Minor fibrillar collagens,variable regions alternative splicing,intrinsic disorder,and tyrosine sulfation

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Protein & Cell 2012年第6期3卷 419-433页

作者： Ming Fang Reed Jacob Owen McDougal Julia thom Oxford Department of Biological sciences Boise State UniversityBoiseID 83725USA Department of Chemistry and Biochemistry Boise State UniversityBoiseID 83725USA Biomolecular Research Center Boise State UniversityBoiseID 83725USA

Minor fibrillar collagen types V and XI,are those less abundant than the fibrillar collagen types I,II and *** alpha chains share a high degree of similarity with respect to protein sequence in all domains except the variable *** variation and,in some cases,extensive alternative splicing contribute to the unique sequence characteristics of the variable *** unique expression patterns in tissues exist,the functions and biological relevance of the variable regions have not been *** this review,we summarize the existing knowledge about expression patterns and biological functions of the collagen types V and XI alpha *** of biochemical similarities among the peptides encoded by each exon of the variable region suggests the potential for a shared *** alternative splicing,conservation of biochemical characteristics in light of low sequence conservation,and evidence for intrinsic disorder,suggest modulation of binding events between the surface of collagen fibrils and surrounding extracellular molecules as a shared function.

关键词： minor fibrillar collagens variable regions alternative splicing fibrillogenesis heparan sulfate binding sites intrinsic disorder tyrosine sulfation

Finite element analysis of overlay incorporating stress absorbing membrane interlayers against reflective cracking

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Journal of Modern Transportation 2014年第2期22卷 104-111页

作者： O.M.Ogundipe N.H.thom A.C.Collop Civil Engineering Department Ekiti State University NTEC University of Nottingham Faculty of Technology De-Montfort University

A wheel tracking test was modelled to gain better understanding of the deflection and stress-strain distribution in an overlaid cracked pavements with and without membrane interlayer （sAMI）. For this purpose, commercial finite element software Abaqus 6.7-1 was used. Two different models were considered, one incorporating stress absorbing membrane interlayers （sAMIs） and the other without sAMI. In the study, full bond condition was assumed for the boundaries between the layers, and a linear elastic model was used for the analysis. The results show that introduction of sAMI caused greater deflection of the pavement. It is found that although with sAMIs, low stiffness is required, a very low stiffness may yield undesirable results. The results show that the introduction of sAMIs results in high strain concentration around the crack region, whilst the strain in the overlay is smaller than the values predicted in the models without sAMIs.

关键词： Overlay Interlayers Crack - strain stress

The Central Axis of Beijing and Chinese Wisdom

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China Today 2023年第1期72卷 42-45页

作者： LARs ULRIK thom Beijing Postcards

A foreigner’s probe into the cultural connotations and origins of the Central Axis of *** pioneering journalist Eliza scidmore,National Geographic’s first official female writer,photographer,and board member,visited... 详细信息

关键词： Axis Central journal

Improving cover and management factor (C-factor) estimation using remote sensing approaches for tropical regions

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International soil and Water Conservation Research 2019年第4期7卷 325-334页

作者： André Almagro Thais Caregnatto thomé Carina Barbosa Colman Rodrigo Bahia Pereira José Marcato Junior Dulce Buchala Bicca Rodrigues Paulo Tarso sanches Oliveira Federal University of Mato Grosso do sul CxP 549 Campo Grande MS 79070-900 Brazil

The Revised Universal soil Loss Equation (RUsLE)'s cover and management factor (C-factor) is one of the most difficult factors to obtain,mainly because long-term monitoring soil erosion plots under natural rainfall are ***,remote sensing approaches have been used as an alternative for obtaining this ***,there is a lack of studies comparing values of this factor computed from remote sensing approaches with measured *** this study,we compare two widely used remote sensing approaches (CrA and CVK) to estimate the C-factor based on the Normalized Difference Vegetation Index (NDVI) with the literature (CLIT) and field experimental data..We also investigated the influence of C-factor methods on the prediction of soil loss and sediment yield (sY) using measured data in the Guariroba basin,Central-West *** obtained mean C-factor values of 0.032,0.023 and 0.137 for CLIT,CrA and CVK,*** found an average annual soil loss of 2.20 tha-1 yr-1,2.02 t ha-1 yr-1 and 10.07 tha-1 yr-1 and sY values of 6875 tyr-1,6468 tyr-1 and 33,435 t yr1,for CLIT,CrA and CVK *** results indicated a significant improvement in soil loss and sY estimations by using the CrA approach developed for tropical regions,with a bias of 13% to the measured sY (5709tyr-1).We conclude that the CrA method present the most suitable alternative to compute soil loss and sY in tropical ***,this approach allows large-scale evaluation and temporal monitoring,therefore enhancing multi spatial and temporal assessment of soil erosion processes.

关键词： soil erosion RUsLE NDVI Landsat 8 Land use/land cover