MỐI LIÊN HỆ GIỮA NHIỆT ĐỘ, LƯỢNG MƯA VỚI SỐ CA MẮC TIÊU CHẢY TẠI VIỆT NAM

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Tác giả: Minh Thái Thị Thanh

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học Tài nguyên và Môi trường, 2024

Mô tả vật lý: tr.66-74

Bộ sưu tập: Metadata

ID: 285816

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Diarrhea is the cause of illness and death, especially among children in developing countries. Diarrhea is the cause of malnutrition and stunting in children. The number of diarrhea cases in Vietnam is relatively high from April to July. From data sources of temperature, rainfall and number of diarrhea cases, the article evaluated the spatial distribution over time in 7 climate zones of Vietnam and shows the correlation of the number of cases with climate factors. From 2000 to 2010, the most significant number of diarrhea cases was in the Northeast region. The temperature and rainfall distribution by month have similarities in the increasing/decreasing trend with the number of diarrhea cases. The highest number of diarrhea cases coincides with the rainy season, such as the Northwest, Northeast, Northern Delta, North Central and Central Highlands. At the same time, the remaining areas occur before the rainy season. The primary summer months (June, July, August) have the highest cases and vice versa. In addition, a 1 mm increase in average monthly rainfall will increase 0,038 cases of diarrhea per 100.000 people. When the temperature increases by 1 degree C, the number of cases will increase to 1,63 cases of diarrhea per 100.000 people.Tiêu chảy là nguyên nhân dẫn đến bênh tật và tử vong, đặc biệt là trẻ em ở các nước đang phát triển. Việc mắc tiêu chảy thường xuyên là nguyên nhân dẫn đến tình trạng suy dinh dưỡng, còi cọc ở trẻ nhỏ. Tại Việt Nam, số ca mắc bệnh tiêu chảy khá cao, tập trung từ tháng 4 đến tháng 7. Từ nguồn số liệu nhiệt độ, lượng mưa và số ca mắc dịch tiêu chảy, bài báo đã đánh giá phân bố theo không gian, thời gian trên 07 vùng khí hậu Việt Nam và thể hiện mối tương quan số ca mắc với yếu tố khí hậu. Trong giai đoan 2000 - 2010, số ca mắc tiêu chảy lớn nhất thuộc khu vực Đông Bắc. Phân bố nhiệt độ, lượng mưa theo từng tháng, có sự giống nhau về xu hướng tăng/giảm với số ca mắc tiêu chảy. Số ca mắc tiêu chảy cao nhất trùng vào thời kỳ mùa mưa như khu vực Tây Bắc, Đông Bắc, đồng bằng Bắc Bộ, Bắc Trung Bộ và Tây Nguyên, khu vực còn lại xảy ra trước mùa mưa. Các tháng chính hè (6, 7, 8) số ca mắc tăng cao nhất và ngược lại. Ngoài ra, lượng mưa trung bình tháng tăng 1 mm thì sẽ gia tăng thêm 0,038 ca mắc tiêu chảy/10 vạn dân mắc tiêu chảy. Khi nhiệt độ tăng 1 oC thì sẽ tăng số ca mắc bệnh là 1,63 ca mắc tiêu chảy/10 vạn dân.

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