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The 1921 European drought: impacts, reconstruction and drivers
The European drought of 1921 is assessed in terms of its impacts on society and in terms of its physical characteristics. The development of impacts of the drought are categorized by a systematic survey of newspaper reports from five European newspapers covering the area from England to the Czech Republic and other parts of Europe. This is coupled to a reconstruction of daily temperature and precipitation based on meteorological measurements to quantify the drought severity and extent, and reanalysis data are used to identify its drivers. This analysis shows that the first impacts of the drought started to appear in early spring and lingered on until well into autumn and winter, affecting water supply and agriculture and livestock farming. The dominant impact in western Europe is on agriculture and livestock farming while in central Europe the effects of wildfires were reported on most often. The peak in the number of reports is in late summer. Preceding the first impacts was the dry autumn of 1920 and winter 1920–1921. The area hardest hit by the drought in the following spring and summer was the triangle between Brussels, Paris and Lyon, but a vast stretch of the continent, from Ireland to the Ukraine, was affected. The reported impacts on water supply and water-borne transport in that region were matched by an analysis of the hydrological situation over the Seine catchment. On average, the 1921 summer was not particularly hot, but the heatwave which was observed at the end of July saw temperatures matching those of the heatwaves in modern summers. Similar to modern droughts, an anticyclone was present roughly over the British Isles, maintaining sunny and dry weather in Europe and steering away cyclones to the north. Its persistence makes it exceptional in comparison to modern droughts.
The 1921 drought stands out as the most severe and most widespread drought in Europe since the start of the 20th century. The precipitation deficit in all seasons was large, but in none of the seasons in 1920 and 1921 was the precipitation deficit the largest on record. The severity of the 1921 drought relates to the conservative nature of drought which amplifies the lack of precipitation in autumn and winter into the following spring and summer
The methods and problems of deep-freezing and vegetable and fruit preserving facilities in Bursa and Istanbul
Dondurulmuş meyve ve sebze tüketimi gelişmiş ülkelerde gittikçe artmaktadır. Ülkemizde yetiştirilen meyve ve sebzeler bunların dondurularak satılabilmesine olanak vererek miktardadır. Birkaç yıl öncesine kadar sadece deneme amacıyla işlenen ve yurdumuzda bol miktarda bulunan bir çok ürün bugün ihraç edilmek üzere dondurulmaktadır.Kısa ve uzun dönemde Türkiye'nin yurt dışına dondurulmuş satabileceği meyve ve sebze çeşitlerinin belirlenmesi ve planlı bir şekilde dış pazarların genişletilmesi ile yaklaşık %25-30 u tüketilmeden bozulan taze meyve ve sebzelerin dış ülkelere satılması mümkündür. Araştırmanın amacı, derin dondurma yöntemi ile sebze ve meyve muhafaza eden işletmelerin teknolojik düzeyi, uyguladıkları yöntemler ve karşılaştıkları sorunların belirlenmesidir. Araştırma İstanbul ve Bursa illerindeki işletmeleri kapsamaktadır. Bursa' da dört, İstanbul'da bir tesiste gözlem ve inceleme yapılmıştır. Araştırma sonunda Bursa bölgesindeki bir işletmede akışkan yatak dondurucu bulunduğu, diğer işletmelerde oda tipi dondurucular kullanıldığı saptanmıştır. Ön işlem için gerekli araçlar ise her işletmede farklıdır.Fakat kullanılan yöntem ve işlem basamakları işletmelerde temel olarak birbirinin aynıdır. Saptanan sorunların başında, işlemeye uygun, tek tip ve yeter miktarda hammadde bulunması gelmektedir. Bunun dışında bazı işletmelerin yer, kapasite ve teknoloji seçimindeki aksaklıkları diğer sorunları oluşturmaktadır. Araştırma sonunda sözleşmeli ve kontrollü ekim yapılması, hasat zamanlarının iyi saptanması, fizibilite çalışmalarının daha dikkatli yapılması, üretici ve işletmecilerin konu ile ilgili olarak eğitilmeleri önerilmiştir.The consumption of frozen fruit and vegetable in the developed countries has gradually increased. The amount of fruits and vegetables grown in our country is of enough capasity to be exported as frozen form. Inspite of the fact that alotof products available in large amount in our country could be exported with the aim of only experiment a few year ago, these ones are able to be exported as frozen form today. It is possible for Turkey to export frozen fruits and vege tables both determining the kinds of these and widening the foreign markets volume in planned way because % 25-30 of fresh fruits and vegetables have become putrid withast being consumed. The aim of research is to find out the problems arising from technological level, the methods put in to practice and un avoid able obstacles of the organizations where fruits and vegetables are kept with the 'method of deep freezing system. The research compries the organizations available in Istanbul and in Bursa. Observation and scientific study realized at four organizations in Bursa at only one organization in Istanbul. As a result of the research, it was observed that fluid frezing bearing is available at only one organization but other ones make use of room type freezing in Bursa region. Required equipment for initial working are different at evei organization but no difference fundamentaly fromm the point of view of methods and working steps .The difficulty of having raw ma terial which is of same type, required sufficiency and suitable for working comes a head. As a second suitable area,capasity and obstacles deriving from having the most suitable technology relating to organizations constitute the other problems. As a result of the research it has been proposed that it is essential to make sow a seed under ; the controll in accordance with agreement, and to determine haruest time and to realize fizi bilite process more carefully, and to train producers and business men with in the frome work of the subject