About Us
DHM, an Introduction
Government of Nepal started hydrological and meteorological activities in an organized way in 1962. The activities were initiated as a section under the Department of Electricity. The section was subsequently transferred to the Department of Irrigation and was ultimately upgraded to Department status in 1988.
The Department of Hydrology and Meteorology (DHM) is an organization under the Ministry of Environment, Government of Nepal. The department with headquarters in Kathmandu has three basin offices: Karnali Basin Office in Surkhet, Narayani Basin Office in Pokhara and Kosi Basin Office in Dharan.
DHM has a mandate from Government of Nepal to monitor all the hydrological and meteorological activities in Nepal. No agency is entitled to carry out such activities without a proper liaison with DHM. The scope of work includes the monitoring of river hydrology, climate, agrometeorology, sediment, air quality, water quality, limnology, snow hydrology, glaciology, and wind and solar energy. General and aviation weather forecasts are the regular services provided by DHM. As a member of the World Meteorological Organisation (WMO), DHM contributes to the global exchange of meteorological data on a regular basis.
DHM actively participates in the programs of relevant international organizations, such as, the UNESCO\'s International Hydrological Program (IHP) and WMO\'s Operational Hydrology Program (OHP). In the past, DHM has hosted several regional and international workshops, symposia, seminars and meetings on different aspects of meteorology, hydrology, sediment, and snow hydrology. The department is also a focal point for the Intergovernmental Panel on Climate Change (IPCC) and for the meteorological activities of the South Asian Association for Regional Co-operation (SAARC). The International Civil Aviation Organization (ICAO) has recognized DHM as an authority to provide meteorological services for international flights.
- Collect and disseminate hydrological and meteorological information for water resources, agriculture, energy, and other development activities.
- Collect and disseminate hydrological and meteorological information for water resources, agriculture, energy, and other development activities.
- Issue hydrological and meteorological forecasts for public, mountaineering expedition, civil aviation, and for the mitigation of natural disasters.
- Conduct special studies required for the policy makers and for the development of hydrological and meteorological sciences in the region.
- Promote relationship with national and international organizations in the field of hydrology and meteorology.
The Director General heads DHM. The present Organizational Chart has four divisions headed by Deputy Director Generals: Hydrology Division, Climatology Division, Meteorological Forecasting Division and Co-ordination Division. Hydrology Division has four major sections: River Hydrology Section, Flood Forecasting Section, Snow and Glacier Hydrology Section and Sediment and Water Quality Section. Similarly, the sections under the Climatology Division include: Climatology Section, Agrometeorology Section, and Wind and Solar Energy Section & Data Section. The Meteorological Forecasting Division has three main units: the Communication Unit, Aviation Unit, and General Weather Forecast Unit.
Co-ordination Division is primarily responsible for developing policies and co-coordinating all the departmental activities including financial and administrative matters. Along with the three basin offices, the Co-ordination Division provides support to the following sections: Data Management Section, Planning Section, Instrument Section, and Training Section.
Hydrology Division
Hydrology division is responsible for collecting hydrological (river, lake, flood, snow and glacier) data, studying and analyzing them, publishing analyzed data and report, and run and manage hydrological project across the country. There are different sections under Hydrology division. They are
River Hydrology Section
This section is responsible for following activities:
- Nation wide study and analyze water level and discharge of different rivers and lakes.
- Hydrological data collected from the basin offices is processed, corrected and validated.
- Management and supervision of current meter calibration.
- Publication of hydrological data.
- Providing guidelines for abovementioned jobs.
- Responsible for monitoring snow and Glacier Lake, river etc. of High- Mountain by establishing monitoring stations.
- Publication of collected and analyzed snow and snow hydrology related data.
- Estimation of snowmelt from high mountain region.
- Providing guidelines for abovementioned jobs.
- Responsible for monitoring sediment in different rivers.
- Regular monitoring of existing sediment stations and analyzes the data collected from them.
- Publication of collected and analyzed sediment data.
- Providing guidelines for abovementioned jobs.
- Collection and processing of rainfall, water level and discharge data from different flood station during flood season from radio set.
- Preparation of forecasting models from analyzing the abovementioned data.
- River water level will be forecasted according to these models.
- Establish different flood stations and manage them.
- Preparing guidelines for flood forecasting and running models.