Background Samples of 226 new improved and 21 indigenous rice (Oryza sativa L.) varieties were collected from the rice fields in three climatic zones of Sri Lanka and concentrations of 18 trace elements (Li, B, Al, Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Se, Sr, Mo, Cd, Ba, Pb and Bi) were measured giving particular emphasis on Se, Cd and As using ICP-MS. intermonsoon. The Country‐ An i. sland nation. As a field biologist, who for much of the last three decades has explored the forests of these two climatic zones, I have seen or carried out field research in a substantial number of OSFs. Geochemical characteristics of groundwater in different climatic zones of Sri Lanka Scattered clouds. 0000002682 00000 n English: Sri Lanka map of Köppen climate classification. Most Amazing Climatic Changes Within 2-hour Drives in Sri Lanka by Team Travel Wagon on October 4, 2020 7:23 pm on October 4, 2020 As you might already know, Sri Lanka is a splendid island surrounded by blue mighty waves of the Indian Ocean. Climatic Zones for Stability Studies Know different climatic zones by ICH in the world for stability conditions including Temperate, Mediterranean / subtropical, Hot dry, Hot humid / tropical and hot & higher humidity zones. Groundwaters in these three zones are extracted mainly for drinking and irrigation from metamorphic hard rock aquifers and saprolite developed on metamorphic rocks. (Weather station: Kandy, Sri Lanka). Due to location slightly North (6-10o) of the Equator in the Indian Ocean, the climate of Sri-Lanka is tropical, is relatively wet, and has two seasons. Sri Lanka’s climate is tropical and consists of distinct wet and dry seasons. First Inter-monsoon Season (March – April)– Thunderstorm type rainfall with warm and uncomfortable conditions Southwest-Monsoon Season (May – September)– The warm season is eased away by the windy weather during this particular monsoon season. In the higher regions of the island the forests are less dense, separated by grasslands. Ministry of Environment & Wildlife Resources, +94 (0) 11 203 4198      +94 (0) 11 287 9968 While from December to March, the winds over Sri-Lanka are North-Easterly. Samples were collected representing all the agro-climatic zones in Sri Lanka according to the availability. Each estate has an average tree density of 64 palms per acre. The rainfall in Colombo is significant, with precipitation even during the driest month. Ł Land Area : 62705 Km . The emphasis is on daily rainfall rather than on longer-period totals, in particular the number of daily falls exceeding given threshold totals. Climate Change and Sri Lanka Ajith Silva Director/ Policy and Planning Ministry of Environment and Natural Resources Sri Lanka The Country‐ An i sland nation maximum length is 437 km and width is 225 km Tropical environment Lying in the equatorial and tropical zone, Sri Lanka is influenced by the monsoons, allowing four distinct seasons. startxref It has a maximum length of 432 km (Devundara to Point Peduru) and maximum breadth 224 km (Colombo - Sangamankanda) . � Natural Disasters in Sri Lanka A natural disaster is a destructive force that may occur within a short period of time. Sri Lanka is a tropical country with a year-round hot climate, moderated by oceanic winds. 488 0 obj<>stream Historical and predicted rainfall records and spatial interpolation of temporal trends were analyzed to identify its impact on major climatic zones of Sri Lanka. �N� ‪Rajarata University of Sri Lanka‬ - ‪Cited by 180‬ - ‪Irrigation and Water Management‬ - ‪Crop and Environmental Modelling‬ - ‪Climate change‬ Citations per year. Fernando, MEKK and Amerasekara, DABN and Amarasingha, RK and Suriyagoda, LDB and Marambe, B and Galagedara, LW and Silva, GLLP and Punyawardena, R and Parsons, D and Meinke, H, Validation of APSIM for long duration rice varieties in different agro-climatic zones of Sri Lanka, Proceedings of the 17th Australian Society of Agronomy Conference, 20-24 September 2015, Hobart, Australia, pp. Groundwaters in these three zones are extracted mainly for drinking and irrigation from metamorphic hard rock aquifers and saprolite developed on metamorphic rocks. Climatic zones (dry, intermediate and wet zones) of Sri Lanka, arbitrarily demarcated based on the annual rainfall. %%EOF Several hazards such as droughts, floods, earth slips, cyclones, lightning, tsunamis and earth quakes are some examples for such instances. Three zones can be divided by its distinguished elevation: the central highland, the plains, and the coastal belt. 0000001049 00000 n 2. The developed bioclimatic chart is aimed to be evaluated against different climatic conditions of the country. As for monsoons north-east monsoon brings rain in the northern and eastern regions in December and January while the western, southern and central regions of the island get rain from May to July due to the south west monsoon. The island has 6.4 million hectares of total land area with a population of 18.1 million people. Moisture and total carbohydrate contents of … Their combined citations are counted only for the first article. However the average Annual Weather Averages in Kandy Based on weather reports collected during 2005–2015. The coastal areas are cooled by sea breezes. Daily rainfall totals are analyzed for the main agro-climatic zones of Sri Lanka for the period 1976–2006. 2.4 Climate. impact on major climatic zones of Sri Lanka. Most of Sri Lanka's vegetation has been heavily depleted by deforestation. Data from GHCN version 2.0 of monthly precipitation from 1930 - 2000 of 15 gauging stations in Sri Lanka were used in this study. Date: 20 February 2016: Source: Derived from World Köppen Classification (with authors).svg. Senaratne A, Wickramasinghe K (2010) Climate change, local institutions and adaptation experience: the village tank farming community in dry zone Sri Lanka. Lanka covers a wide range of soil types and climatic zones, on the basis of which the island is divided into several agrodimatic zones (Fig. The mean temperature varies from a chilly low of 16ºC in Nuwara - Eliya in the Central Highlands, where even frosting might occur for several days in the winter, to a high of 32oC in Trincomalee on the northeast coast. The following articles are merged in Scholar. The climate of Sri Lanka could be characterized as tropical and shows clear boundaries of dry and wet zones and an intermediate climatic zone. Below are average maximum temperatures at popular destinations in Sri Lanka for next month - December. intermonsoon. Most of the rivers are short and frequently interrupted by the discontinuities of terrain. Its terrain is mostly low, flat to rolling plain, with mountains in the south-central interior. According to the spatial distribution of annual rainfall, Sri Lanka can be divided in to 3 major climatic zones as Wet zone (rainfall >2500mm), Dry … Monsoons Sri Lanka is characterized by well-demarcated climatic zones based on the rainfall pattern known as wet zone, dry zone and intermediate zone. 1-4. ����RH=ЃLi$�'��k@� ����� ���)��*�6c}�N.o��%��s�2�g��x�q�ےi�;�2ڠ�����H�10���\��u�8��8��kc!�ƻL>���Ҍ@�` kU� 479 10 Climate (Averages) Time Zone ; DST Changes; Sun & Moon . 0 0000000016 00000 n Data from GHCN version 2.0 of monthly precipitation from 1930 - 2000 of 15 gauging stations in Sri Lanka were used in this study. 0000000509 00000 n Cercariae of trematodes in freshwater snails were studied in 1694 snails collected from rivers and streams in three climatic zones of Sri Lanka during 2005 to 2008. The largest river is the Mahaweli Due to the location of Sri Lanka, within the tropics between 5° 55' to 9° 51' North latitude and between 79° 42' to 81° 53' East longitude, the climate of the island could be characterized as tropical. More than 60% of the 306 tree species that are endemic to Sri Lanka are found only in the lowland rainforests and some more are shared with montane and dry zone forests. In: Evans A, Jinapala K (eds) Proceedings of the national conference on water, food security and climate change in Sri Lanka, International Water Management Institute (IWMI), Colombo, 9–11 June 2009, pp 147–156 Google Scholar x�b```b``>��$�@(� represent 3 agro-climatic zones, wet, dry and inter-mediate zones of Sri Lanka (Table 1).The current study focuses on the effect of climatic factors on dengue incidence and outbreaks in dif- ferent agro-climatic zones using data for selected districts situated in these agro-climatic zones. Climate There are two distinct climatic zones in 0000002358 00000 n Ł Inland water : 2905 Km. impact on major climatic zones of Sri Lanka. Climatic zones of Sri Lanka Average temperature Dry zone 028 C Intermediate zone 024 - 26 C Wet zone 24 0 C Average Rainfall Dry zone < 1,750 mm Intermediate zone 1,750 - 2,500 mm Wet zone > … The news that climate change will affect Sri Lanka’s weather will surprise very few these days. Natural Vegetation Sri Lanka's natural vegetation takes up a third of the islands land area. km. These six sites were selected based on the availability of long-term crop production data and meteorological data. O In the four rows A, B, C and D in the above table, four climatic zones of Sri Lanka and data about their temperature, rainfall and vegetation are given. 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