In the higher regions of the island the forests are less dense, separated by grasslands. Author: Ali Zifan (Enhanced, modified, and vectorized). Climate Change and Sri Lanka Ajith Silva. The news that climate change will affect Sri Lanka’s weather will surprise very few these days. Climatic zones of Sri Lanka Average temperature Dry zone →28 0C Intermediate zone →24 - 26 0C Wet zone →24 0C Average Rainfall Dry zone →< 1,750 mm Intermediate zone →1,750-2,500 mm Wet zone →> 2,500 mm. Colombo, Sri Lanka's largest city (6° 55′ N, 79° 51′ E) has a warm, humid climate (Köppen-Geiger classification = Af − Tropical Rainforest Climate), with no seasonal differences in temperature or moistness and year-round rainfall. Sri Lanka’s lowland rainforests covering 2.1% of the land area harbour many endemic and threatened species. ��:���.`��$���c�=7�Eî��.v0jM�Sp��>��N��D��-�֝���혛����8�Q�B�G�P�&�k�V�H�id͵���(��g4�E���� �G��;�d��"u���ʖ�{��BU;���YW�d"����œsܫN�U�L�|�q.�&C�/��T��ǵ+2��e>��u,x*�.|���A��A��5���!����QP��d� �7- (`ll&Al �(`� b �B fˀH2 km. Three zones can be divided by its distinguished elevation: the central highland, the plains, and the coastal belt. Climate Change Secretariat Sri Lanka The average rainfall patterns during each monsoon seasons are showed in the figure 1. �F�[��_�}(*�"Gtl����S�6�l��,�ƭ��W�46��������=(⤲"A�(���¸%w���zWwu���}�{������nf!V�U��$��2I�ѤBG��4R�YJ�:$�. In the higher However, the Yala monsoon brings abundant rainfall to the southwest region from May to September, and to November in some coastal cities. Ministry of Environment & Wildlife Resources, +94 (0) 11 203 4198      +94 (0) 11 287 9968 %%EOF Asia. Welcome to Agric Lanka Pages Home Sunday, September 16, 2012 climate zone & Agro ecological zones in Sri Lanka Climate zone & Agro ecological zones in Sri Lanka Posted by Unknown at 8:00 AM Email This BlogThis! Climate (Averages) Time Zone ; DST Changes; Sun & Moon . 0000001049 00000 n 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. 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 dry zone of Sri Lanka encompasses 59% of the total land area of the country, ergo, the most extensive forest cover. %PDF-1.4 %���� Most of Sri Lanka's vegetation has been heavily depleted by deforestation. Sri Lanka lies between 5 55' and 9 55' North latitude and 79 41' and 81 54' East longitude. Based on mean annual rainfall, Sri Lanka has three climatic zones: wet (>2500mm mean annual rainfall), intermediate(1750–2500mm mean annual rainfall) and dry zone (<1750mm mean annual rainfall) (Punyawar-dena et al., 2003). H�t��N�0��~�9�!�q�J4A�Bw�uK u+'���m)H9xw|X3�x��8��w8&�iU�q��@ �>ݲ�f��z�8q�G�T ‪Rajarata University of Sri Lanka‬ - ‪Cited by 180‬ - ‪Irrigation and Water Management‬ - ‪Crop and Environmental Modelling‬ - ‪Climate change‬ Citations per year. Scattered clouds. The climate of Sri Lanka could be characterized as tropical and shows clear boundaries of dry and wet zones and an intermediate climatic zone. The emphasis is on daily rainfall rather than on longer-period totals, in particular the number of daily falls exceeding given threshold totals. In the northeast and the southwest, the coasts cut across the stratification of crystalline rocks, cliffs, bays, and offshore islands, creating one of the world's best natural harbors at Trincomalee on the northeastern coast and a smaller rock harbor at Galle on the southwestern coast. The best time to visit Sri Lanka depends on where you go. Twenty two among 64 ant genera were recorded from the four climatic zones; 42 genera were found in a single zone or two or three zones. Historical and predicted rainfall records and spatial interpolation of temporal trends were analyzed to identify its impact on major climatic zones of Sri Lanka. At higher elevations they change to montane rain forests. 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. The following articles are merged in Scholar. 479 0 obj <> endobj The central part of the southern half of the island is mountainous with heights more then 2.5 Km. I focus here on the OSFs of the Wet Zone because Sri Lanka’s rich and fascinating endemic biota (fauna and flora) is overwhelmingly concentrated in this zone. impact on major climatic zones of Sri Lanka. Source: Derived from World Köppen classification ( with authors ).svg climatic conditions of the equator GHCN version of... Modified, climatic zones of sri lanka vectorized ) see the climate is classified as Af, sunny warm days are rule. 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