Đánh giá chất lượng nước mặt do ảnh hưởng của các hoạt động tại khu vực thành phố Cần Thơ

0 Người đánh giá. Xếp hạng trung bình 0

Tác giả: Thị Bích Liên Bùi, Vương Thu Minh Huỳnh, Đào Tuyết Minh Nguyễn, Thành Tâm Nguyễn, Trường Thành Nguyễn, Ngô Quốc Bảo Trần

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khí tượng Thủy văn, 2022

Mô tả vật lý: tr.39-55

Bộ sưu tập: Metadata

ID: 323306

Thêm vào giỏ Liên kết toàn văn

Nguồn nước mặt ngày càng ô nhiễm do điều kiện tự nhiên và các hoạt động của con người. Chính vì thế, việc theo dõi, đánh giá và kiểm soát chất lượng nguồn nước mặt là nhiệm vụ quan trọng và cấp bách trong giai đoạn hiện nay. Nghiên cứu đã tiến hành thu thập số liệu chất lượng nước mặt giai đoạn 2000–2020 và khảo sát người dân ở các vùng xung quanh các nguồn thải: (i) khu dân cư (quận Ninh Kiều), (ii) khu công nghiệp (quận Bình Thủy), (iii) khu trồng cây ăn trái (huyện Phong Điền) và (iv) khu trồng lúa (quận Ô Môn, Thới Lai và Cờ Đỏ). Kết quả nghiên cứu cho thấy các thời điểm lấy mẫu trong năm khác biệt không nhiều và có xu hướng xấu hơn ở tháng 12, cụ thể pH và nhiệt độ không khác biệt giữa các khu vực nghiên cứu. Chất lượng nước mặt tốt nhất ở khu vực trồng cây ăn trái và xấu nhất ở khu vực dân cư. Nguyên nhân gây ô nhiễm nước mặt do có nhiều công ty, khu công nghiệp chưa xử lý chất thải tốt. Các chất thải được thải trực tiếp xuống sông ngày càng nhiều và do sử dụng quá nhiều phân bón và thuốc bảo vệ thực vật nên cần có biện pháp quản lý và xử lý tốt các nguồn thải trong thời gian tới.The surface water is increasingly polluted due to natural hazards and human activities. Therefore, the monitoring, assessing, and controlling of surface water quality is a critical responsibility. This study was conducted to collect data on surface water quality from 2000 to 2020 and individual stakeholders were interviewed in the following affected areas: (i) residential area (Ninh Kieu district), (ii) industrial zone (Binh Thuy district), (iii) fruit area (Phong Dien district), and (iv) rice field area (O Mon, Thoi Lai, and Co Do district). The results show that sampling collection times were slightly different, but thesurface water quality slightly decreased in December, for example, the pH and temperature had not differed among the 4 study areas. Surface water quality was the best in the fruit area, whereas it was the worst in the residential area. The surface water quality has decreased as a result of poor wastewater management by companies, and industrial parks. Stakeholders discharged the wastes directly into the river, and the fertilizers and pesticides were used excessively, therefore it is necessary to treat and manage the waste sources in the near future.

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