scholarly journals Sitio Web y aplicación móvil para el control de datos climatológicos a tráves de sensores en un prototipo de estación agrometeorológica

2019 ◽  
pp. 8-17
Author(s):  
Andrés De León-Castrejón ◽  
José Uriel Melquiades-Jiménez ◽  
David Heriberto Noriega-Cantú
Keyword(s):  
Decision Making ◽  
Relative Humidity ◽  
Mobile Application ◽  
Weather Data ◽  
Climate Variables ◽  
Pests And Diseases ◽  
The North ◽  
Technological Field ◽  
Technological University ◽  
Determining Factor

The National Institute of Forestry, Agriculture and Livestock Research, Iguala Experimental Field and the Technological University of the North Region of Guerrero, are joining their knowledge in the scientific and technological field with the purpose of developing collaborative projects. In the State of Guerrero, there is a lack of accurate and timely agroclimatic information that serves as a determining factor in decision-making in productive processes. The purpose of this study is to develop a website and a mobile application, where the information issued by the prototype of agrometeorological station can be accessed. The data will be entered into a database on the website and will be stored every 10, 15 or 30 minutes of the climate variables, such as: temperature, relative humidity, precipitation, solar radiation, leaf moisture, speed and direction of the wind. The mobile application will allow to consult historical and real-time weather data. This will result in better control of environmental information so that producers in the cultivation of corn, fruit and vegetables can prevent and avoid pests and diseases of their crops.

scholarly journals Evaporation Of Snow and Ice In Scharffenbergbotnen, Dronning Maud Land, Antarctica

1990 ◽  
Vol 14 ◽  
pp. 342 ◽  
Author(s):  
Stig Jonsson ◽  
Per Holmlund
Keyword(s):  
Relative Humidity ◽  
Ablation Rate ◽  
The Other ◽  
Weather Data ◽  
The West ◽  
The North ◽  
Dronning Maud Land ◽  
Field Season ◽  
Weather Stations ◽  
North Western

Scharffenbergbotnen is a 3 × 6 km large basin of interior ice drainage on the north-western side of Heimefrontfjella in Dronning Maud Land, Antarctica. The elevation at the bottom of the depression is 1142 m a.s.l., while bedrock immediately to the south-east of this point rises to more than 2750 m. Ice enters the basin mainly from a low ice divide (1250 m a.s.l.) in the west but also through a 400 m high icefall in the east. Two separate blue-ice areas constitute approximately half the surface of the basin, while the other half is snow-covered. As part of SWEDARP (Swedish Antarctic Research Programme) 1988 a research project to study the origin and mass balance of this basin has been initiated. A net of 28 stakes has been established for studies of ablation and ice movement (Fig. 1). The ice thickness was measured by radio-echo sounding (Fig. 2) and particular care was devoted to get the correct ice depths at the entrance to the basin. The ice thickness along a central section of the basin varied from 1000 m in the west to 400 m at the bottom of the depression. In order to explain the ablation two automatic weather stations (Aanderaa 2700) were operated during the field season (mid-January to mid-February 1988). One was placed in the bottom of the depression, the other 13 km to the west in an area where a small net accumulation took place during the field season. The latter station should record “normal” weather. Sensors registering wind speed, wind gust, wind direction, incoming solar radiation, air temperature and relative humidity were installed at both weather stations, while reflected solar radiation, net radiation and air pressure were measured only at Scharffenbergbotnen. All sensors except the air pressure sensor were placed 270 cm above the ground, and all were read every 10 minutes. Ablation measurements were carried out between 16 January and 18 February on 24 of the stakes. 12 of these stakes were standing in snow. All but one recorded ablation and, as no signs of melting could be seen, all ablation must be due to evaporation and perhaps for the snowy areas some wind erosion. The average ablation rate for the whole field season was 0.7 mm w.eq. per day with a standard deviation of 0.3. Stakes in blue ice showed slightly higher values than those in snow. For January, when air temperatures always were above −10°C, the average ablation rate was 1.2 mm w.eq. per day. A regional difference in ablation rate across the depression was also measurable. Maximum ablation took place immediately below the arête forming the north-eastern boundary of the basin and diminished towards south-west. Below the arête the ablation rate was above 1 mm w.eq. per day for the whole field season and more than 2 mm w.eq. per day during January. A comparison of weather data between the two stations showed the following main differences. In the depression the temperature showed no daily variation and relative humidity varied between 40 and 60%. The weather at the other station was characterised by colder nights and weaker winds as well as by a relative humidity between 60 and 80%. The reason for the regional variation in ablation can be explained by almost constant easterly winds during January and the drop in altitude (between 300 and 500 m) along the north-western arête. On 11 February 1988 the weather station at Scharffenbergbotnen was converted into a system for satellite (Argos) transmission of weather data to Europe. The transmission seems to have been successful but the data are not yet processed. At present (January 1989) one of us is remeasuring the stakes (ablation and ice movement) during SWEDARP 1989. Preliminary results sent by radio point towards a yearly net ablation rate of 120 mm w.eq. for the blue-ice area in the bottom of the depression. 25% of the ablation took place during the field season 1988, but 75% has evaporated between 18 February 1988 and mid-January 1989. Probably most of the evaporation took place during December 1988 and January 1989, which means a very high daily evaporation rate (2.5 mm w.eq. per day).

Medidor de agua para sistema inteligente de control de agua potable

2019 ◽  
pp. 6-12
Author(s):  
Daniel Sustaita-Cruces ◽  
Elsa Verónica Martínez-Mejía
Keyword(s):  
Data Mining ◽  
Decision Making ◽  
Big Data ◽  
Water Consumption ◽  
Public And Private ◽  
The North ◽  
Research Activities ◽  
The Many ◽  
The University ◽  
Technological University

Objectives: Develop an electronic prototype that respects the environment, through the use of microcontroller cards such as Arduino, Nodemcu, IoT concept and cloud for the control and measurement of water consumption. Objectives specific: Process the data provided by sensors and meters distributed in the main water supplies of the university, as well as the public and private sectors and combine them with information, such as consumption patterns, to build a sophisticated image of how the water network is behaving . through the concept of IoT, data mining, big data and cloud. Measure and evaluate the impacts of the results obtained by the smart meter and that provide the applications for the correct decision making. Objectives Methodologycs: Strengthen the research line of the work team, which sets the standard for us as part of an academic body, of proposing projects based on Internet of Things, Big-Data and data mining technologies, using as a platform the potential of the microcontroller boards (Photon, Arduino, etc.), to enter the new industrial model 4.0 - environment. Create an academic body that carries out research activities through the use of different research methods for the solution to different problems within the institution. Contribution The water resource is essential for life, however, society rarely thinks about the different ways of use that is generally given, or the many activities of daily life in which it is present, and how our life It would change if its availability were near the end of its life cycle. The present project arises from the need to have a better control in the water consumption registers mainly in the Technological University of the North of Guanajuato which is the place where this research originates and from these registers allow an analysis of the data of consumption with greater accuracy and the best decision making.

scholarly journals Prototipo de estación agrometeorológica de monitoreo de datos climatológicos

2019 ◽  
pp. 34-44
Author(s):  
Andrés De León-Castrejón ◽  
Pedro Pablo Hernández-Estrada ◽  
David Heriberto Noriega-Cantú ◽  
Alfonso Villegas-Vergara
Keyword(s):  
Agricultural Production ◽  
Environmental Temperature ◽  
Low Cost ◽  
Fruit Trees ◽  
Climatological Data ◽  
Annual Crops ◽  
The North ◽  
Technological University ◽  
Determining Factor ◽  
Very High

One of the limitations in agricultural production in the State of Guerrero is the various events of meteorological disasters, with the case of recurrent drought, hurricane winds, high rainfall that cause floods and very high daytime temperatures that directly affect annual crops (corn, beans and sorghum) and perennials (mango, lemon, avocados). In the entity there is little accurate and timely agroclimatic information that serves as a determining factor in the decision-making process of production processes. The present study has the purpose of developing a prototype of low-cost agrometeorological station. The data can be monitored via the Internet 24 hours a day, from the climate variables, such as: environmental temperature, relative humidity, rainfall, solar and ultraviolet radiation, wind speed and direction. With the storage of these climatological data, information will be obtained that contributes to the prevention of diseases and pests in the cultivation of corn, fruit trees and vegetables of economic importance. Reason for which the National Institute of Forestry, Agriculture and Livestock Research and the Technological University of the North Region of Guerrero, are joining forces in the development of a prototype of agrometeorological station.

scholarly journals Evaporation Of Snow and Ice In Scharffenbergbotnen, Dronning Maud Land, Antarctica

1990 ◽  
Vol 14 ◽  
pp. 342-342
Author(s):  
Stig Jonsson ◽  
Per Holmlund
Keyword(s):  
Relative Humidity ◽  
Ablation Rate ◽  
The Other ◽  
Weather Data ◽  
The West ◽  
The North ◽  
Dronning Maud Land ◽  
Field Season ◽  
Weather Stations ◽  
North Western

Scharffenbergbotnen is a 3 × 6 km large basin of interior ice drainage on the north-western side of Heimefrontfjella in Dronning Maud Land, Antarctica. The elevation at the bottom of the depression is 1142 m a.s.l., while bedrock immediately to the south-east of this point rises to more than 2750 m. Ice enters the basin mainly from a low ice divide (1250 m a.s.l.) in the west but also through a 400 m high icefall in the east. Two separate blue-ice areas constitute approximately half the surface of the basin, while the other half is snow-covered.As part of SWEDARP (Swedish Antarctic Research Programme) 1988 a research project to study the origin and mass balance of this basin has been initiated. A net of 28 stakes has been established for studies of ablation and ice movement (Fig. 1). The ice thickness was measured by radio-echo sounding (Fig. 2) and particular care was devoted to get the correct ice depths at the entrance to the basin. The ice thickness along a central section of the basin varied from 1000 m in the west to 400 m at the bottom of the depression.In order to explain the ablation two automatic weather stations (Aanderaa 2700) were operated during the field season (mid-January to mid-February 1988). One was placed in the bottom of the depression, the other 13 km to the west in an area where a small net accumulation took place during the field season. The latter station should record “normal” weather. Sensors registering wind speed, wind gust, wind direction, incoming solar radiation, air temperature and relative humidity were installed at both weather stations, while reflected solar radiation, net radiation and air pressure were measured only at Scharffenbergbotnen. All sensors except the air pressure sensor were placed 270 cm above the ground, and all were read every 10 minutes.Ablation measurements were carried out between 16 January and 18 February on 24 of the stakes. 12 of these stakes were standing in snow. All but one recorded ablation and, as no signs of melting could be seen, all ablation must be due to evaporation and perhaps for the snowy areas some wind erosion. The average ablation rate for the whole field season was 0.7 mm w.eq. per day with a standard deviation of 0.3. Stakes in blue ice showed slightly higher values than those in snow. For January, when air temperatures always were above −10°C, the average ablation rate was 1.2 mm w.eq. per day.A regional difference in ablation rate across the depression was also measurable. Maximum ablation took place immediately below the arête forming the north-eastern boundary of the basin and diminished towards south-west. Below the arête the ablation rate was above 1 mm w.eq. per day for the whole field season and more than 2 mm w.eq. per day during January.A comparison of weather data between the two stations showed the following main differences. In the depression the temperature showed no daily variation and relative humidity varied between 40 and 60%. The weather at the other station was characterised by colder nights and weaker winds as well as by a relative humidity between 60 and 80%. The reason for the regional variation in ablation can be explained by almost constant easterly winds during January and the drop in altitude (between 300 and 500 m) along the north-western arête.On 11 February 1988 the weather station at Scharffenbergbotnen was converted into a system for satellite (Argos) transmission of weather data to Europe. The transmission seems to have been successful but the data are not yet processed. At present (January 1989) one of us is remeasuring the stakes (ablation and ice movement) during SWEDARP 1989. Preliminary results sent by radio point towards a yearly net ablation rate of 120 mm w.eq. for the blue-ice area in the bottom of the depression. 25% of the ablation took place during the field season 1988, but 75% has evaporated between 18 February 1988 and mid-January 1989. Probably most of the evaporation took place during December 1988 and January 1989, which means a very high daily evaporation rate (2.5 mm w.eq. per day).

scholarly journals Potential Evapotranspiration Reduction and Its Influence on Crop Yield in the North China Plain in 1961–2014

2020 ◽  
Vol 2020 ◽  
pp. 1-10 ◽  
Author(s):  
Wanlin Dong ◽  
Chao Li ◽  
Qi Hu ◽  
Feifei Pan ◽  
Jyoti Bhandari ◽  
...  
Keyword(s):  
Wind Speed ◽  
Relative Humidity ◽  
Crop Yield ◽  
North China Plain ◽  
North China ◽  
Potential Evapotranspiration ◽  
The North ◽  
The North China Plain ◽  
Sunshine Hours ◽  
Humidity Index

Climate change has caused uneven changes in hydrological processes (precipitation and evapotranspiration) on a space-temporal scale, which would influence climate types, eventually impact agricultural production. Based on data from 61 meteorological stations from 1961 to 2014 in the North China Plain (NCP), the spatiotemporal characteristics of climate variables, such as humidity index, precipitation, and potential evapotranspiration (ET0), were analyzed. The sensitivity coefficients and contribution rates were applied to ET0. The NCP has experienced a semiarid to humid climate from north to south due to the significant decline of ET0 (−13.8 mm decade−1). In the study region, 71.0% of the sites showed a “pan evaporation paradox” phenomenon. Relative humidity had the most negative influence on ET0, while wind speed, sunshine hours, and air temperature had a positive effect on ET0. Wind speed and sunshine hours contributed the most to the spatiotemporal variation of ET0, followed by relative humidity and air temperature. Overall, the key climate factor impacting ET0 was wind speed decline in the NCP, particularly in Beijing and Tianjin. The crop yield in Shandong and Henan provinces was higher than that in the other regions with a higher humidity index. The lower the humidity index in Hebei province, the lower the crop yield. Therefore, potential water shortages and water conflict should be considered in the future because of spatiotemporal humidity variations in the NCP.

Social Metadata and Public-Contributed Contents in Memory Institutions: “Crowd Voice” Versus “Authenticated Heritage”?

2016 ◽  
Vol 45 (3) ◽  
pp. 122-133 ◽  
Author(s):  
Chern Li Liew
Keyword(s):  
Decision Making ◽  
Cultural Heritage ◽  
Knowledge Base ◽  
Participatory Culture ◽  
Collective Memories ◽  
Digital Cultural Heritage ◽  
The Social ◽  
Social Technologies ◽  
Determining Factor ◽  
Shed Light

AbstractSocial technologies have led to increasing participatory activities and institutions are interested in the potential of using these for outreach and engagement. Through offering new spaces and tools that allow users to consume and also to contribute content, institutions are expanding their traditional services which could redefine their role and relevance in the digital cultural heritage landscape. This study investigates the decision-making and practices underpinning current handling of social metadata and public-contributed contents (PCC). The focus is on examining the motivations for soliciting contributions, if and how these are moderated and managed, if they are integrated into the institutional data and knowledge base, and the extent to which public stakeholders moderate. The study also involves an investigation of whether, and how, memory institutions consider diversity and inclusiveness in soliciting participation and contributions, and the values placed on PCC, as compared to institutional resources. The aim of this study is to shed light on these by surveying libraries, archives, museums, and other institutions.How institutions deal with the social metadata and PCC they gather, and what they do with the contributions, could be a key determining factor of the success of their participatory practice as part of their larger effort to capture and preserve collective memories. This survey shows that the profession still has a way to go towards these goals. There is little evidence that demonstrates integration of a participatory culture and activities into the strategic directions and documentary practices of institutions.

scholarly journals Quality of outdoor and indoor environment during the cruise of the tall ship STS Fryderyk Chopin

2018 ◽  
Vol 49 ◽  
pp. 00024
Author(s):  
Szymon Firląg
Keyword(s):  
Relative Humidity ◽  
Ventilation System ◽  
Pm 2.5 ◽  
The North ◽  
University Of Technology ◽  
Open Sea ◽  
The North Sea ◽  
Pm 10 ◽  
The Impact

The aim of this paper is to present the results of measurements, on the quality of internal and external environment, carried out during the cruise of the tall ship STS Fryderyk Chopin. The cruise took place between 16th and 30th September 2017 as part of the scientific seminar of the Warsaw University of Technology (WUT) on the Wave, addressed to students of the WTU. After leaving the port of Edinburgh, crossing the North Sea, the Danish straits, stops in Copenhagen and Kołobrzeg, the tall ship reached Szczecin after two weeks. The measurements carried out on the deck included the temperature and relative humidity of the indoor air in three cabins and the men’s bathroom. In two cabins, the CO2 concentration was measured additionally. The outdoor temperature, relative humidity and concentration of PM 1.0, PM 2.5 and PM 10 were also measured. The obtained results allowed to assess the quality of the internal environment in accordance with the standards and to analyze the effectiveness of the mechanical ventilation system. Measurements of particulate matter have shown significant differences between outdoor air quality in the open sea and in ports or near major shipping routes. It turned out that the impact of emissions from passing ships using diesel engines is clearly visible.

scholarly journals Days to visit an offshore island: effect of weather conditions on arrival fuel load and potential flight range for common blackbirds Turdus merula migrating over the North Sea

2021 ◽  
Vol 9 (1) ◽  
Author(s):  
Natalie A. Kelsey ◽  
Ommo Hüppop ◽  
Franz Bairlein
Keyword(s):  
Relative Humidity ◽  
North Sea ◽  
Spring Migration ◽  
Low Energy ◽  
Energy Resources ◽  
Fuel Load ◽  
Physiological Conditions ◽  
Fuel Loads ◽  
The North ◽  
The North Sea

Abstract Background Crossing open water instead of following the coast(line) is one way for landbirds to continue migration. However, depending on prevailing weather and the birds’ physiological conditions, it is also a risky choice. To date, the question remains as to which interplay between environmental and physiological conditions force landbirds to stop on remote islands. We hypothesise that unfavourable winds affect lean birds with low energy resources, while poor visibility affects all birds regardless of their fuel loads. Methods To test this hypothesis, we caught 1312 common blackbirds Turdus merula stopping over on Helgoland during autumn and spring migration. Arrival fuel load was measured using quantitative magnetic resonance technology. Weather parameters (wind and relative humidity as a proxy for visibility) were interpolated for the night before arrival. Further, we calculated whether caught individuals would have successfully crossed the North Sea instead of landing on Helgoland, depending on wind conditions. Results Both wind and relative humidity the night before arrival were correlated with arrival fuel load. After nights with strong headwinds, birds caught the following day were mostly lean, most of which would not have managed to cross the sea if they had not stopped on Helgoland. In contrast, fat birds that could have successfully travelled on were caught mainly after nights with high relative humidity (≥ 80%). Furthermore, the rate of presumably successful flights was lower due to wind: although only 9% of all blackbirds captured on Helgoland had insufficient fuel loads to allow safe onward migration in still air, real wind conditions would have prevented 30% of birds from successfully crossing the sea during autumn and 21% during spring migration. Conclusions We were able to decipher how physiological condition, wind and relative humidity partially force blackbirds to stop on a remote island. Adverse winds tend to affect lean birds with low energy resources, while poor visibility can affect blackbirds, regardless of whether the arrival fuel load was sufficient for onward flight. Our findings will help to understand different migratory strategies and explain further questions like migration timing.

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