Aparecida de Goiânia: uma história crescimento e parceria com a UniRV
A fundação de Aparecida de Goiânia é celebrada em 11 de maio, data simbólica marcada pela instalação da cruz de aroeira no...
Meteorological station monitors weather in Rio Verde for over 50 years
The characterization of the weather for urban environments is of fundamental importance for planning as for the execution of activities and observing historical facts and its variations. In some areas, the data on climate has become indispensable, as it is in agriculture. Agricultural practices are extremely dependent of weather conditions, because some elements, as special distribution and rainy season, temperature and solar radiation interfere in crop productivity.
When there is the climatic characterization in a region, it is possible to established an agricultural plan, in order to diminish the adverse effects of weather conditions on crops. To help the agricultural and urban planning, the conventional meteorological station (EMC; OMM: 83470) started collecting and making available the meteorological data in December 31, 1995, transferred to the University of Rio Verde, that exerts an important role for the Agronomy course as well as for the farmer and companies of the region.
In 2007, UniRV signed a partnership with the National Meteorological Institute (INMET), with the installation of an automatic meteorological station (EMA; OMM: 86753), with the EMC, becoming, thus, the headquarter for the 10th Meteorological District – GO/TO, keeping the structure of the main station in the city and one of the 10 units in the entire state, with the function of mesuring automatic data for INMET.
Located in the geographical coordinate 17°47’07”S and 50°57’53”W, at 780 meters high, the units have two climatological observers. They are, Flávio de Oliveira Jorge and Rafael Messias, that carry out the collection of data such as: temperature, wind speed and direction, apart from rain levels, time of sunlight, humidity and atmospheric pressure, evaporation capacity, all of this, three times a day. These observations are collected daily at the EMC since 1971 until today, with the exception of the years of 1975, 1978, 1979 and from 1991 to 1996, following international standards, commended by the World Meteorological Organization (WMO) and made available, for free, on the INMET website.
According to Flávio de Oliveira Jorge, who makes the climatological observation since 2014, by monitoring the station and using databases, it is possible to learn factors such as: the highest and lowest temperatures in Rio Verde since 1971, that were, respectively: 39.9 degrees, in July 18, 2000 and 0.7º, on July 18, 2000. There is also the record of the highest rain levels in 24 hours, equivalent to 149.9mm on December 10, 1978 and the biggest wind gust registered so far, that was of 91.8km/h on February 15, 2023, and, lastly, the lowest air humidity, registering at just 9% on September 11, 2008.
“The daily data collection is made at 9am, 3pm and 9pm, and the history of such data and of previous years is what allows us to make comparisons and “risk” to predict how the weather will behave in the future. Just to have an idea, the data collected here are official and apart from being posted on the website to be accessed by companies, press and farmers, go into the synoptic scale of the World Meteorological Organization and are made available to the entire world,” completes Flávio.
A Doctor in Agronomy, Gilmar Oliveira is UniRV’s climatologist and states that, with the data that is collected daily and the monitoring of more than 50 years, it is possible to compilate the climatic characterization of Rio Verde. This important meteorological database has become, today, a great ally in planning activities and making decisions. With the collected data, it is possible to see in Rio Verde the characterization of a Tropical Aw climate (Köppen), with two well-defined climatic seasons, one of them dry and cool (April to September) and the other warm and rainy (October to March).
Gilmar, who is also the professor of Agroclimatology and Irrigation at the institution, comments that he uses the stations database to compare and check that, since 1972, there was a 1,9º increase in the average temperature, also occurring the 6.5% reduction in humidity and a downward trend in regards to rain levels and the reduction of water in the soil. The professor still adds that, through the collected data, we can also add to the climatic characterization of Rio Verde, the daily temperature averages of 23,5±2,2°C; relative humidity of 66,6±10,0; wind velocity of 1,9±0,3ms-1; time of sunlight of 6,1±1,1 hours; sun radiation of 17,2±1,0 MJ m-2 and evapotranspiration of 3,8±0,4 mm, as well as the predominant wind direction that comes from the northern region.
For the Coordinator of the 10th Meteorological District – GO/TO, Elizabete Ferreira, the partnership with the University has an important role for the entire state, since it is through the actions of these stations that the changes of seasons and the phenomena that happen in the continent, obtaining precise information for weather forecast. “The meteorological station is of the utmost importance for the location and when we find partnerships, as was done in the 70s with the University of Rio Verde, a real treasure, because from the collected data, we are able to do a better forecast of the weather and get to know the local weather. The station is a part of the national meteorological system and Rio Verde becomes a strategic point for us to learn about the climate in the southwest region,” emphasizes Elizabete.
Aware of the importance of the climatological station for academics, farmers and the population, professor Alberto Barella Netto, invested recently in the renovation of the place, by painting, mowing the grass and general maintenance: “Our climatological station is of great importance for UniRV, mainly for farmers of Rio Verde and region, without mentioning there is a fundamental role for the agrarian courses, mainly Agronomy, in which the academics learn about data collection that directly influence the necessary care for agriculture productivity”, he reinforces.
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