National Institute of Meteorological Sciences

Korea Meterological Administration

Chulkyu Lee

Ki-Ho Chang

Hyeong Jun Jo

Kiryong Kang

Jae-won Jung

Bo Yeong Ahn

Joo Wan Cha

Young Jean Choi

Miloslav Belorid

Woonseon Jung

Jung Mo Ku

Yonghun Ro

Sang Hee Chae

Sanghee Chae

Ji Man Park

Joo-Wan Cha

Woon Seon Jung

Hae Jung Koo

Hyunjun Hwang

Jin-Young Bae

Ki Ho Chang

Ji Min Woo

Gyuwon Lee

Eun Hye Sim

Chang Hee Kang

Jung Min Song

Ha-Young Yang

Byeongtaek Kim

Minhoo Kim

Jaeil Lee

Provided are a method and system of analyzing ingredients of an artificial rainfall for verification of a cloud seeding effect. As the method and system, which can verify an effect of the artificial rainfall in such a manner that a seeding material becomes different according to each temperature of clouds at a seeding altitude, water sampling from precipitation is performed before and after seeding, and thus the ingredients of a water sample are analyzed using each of a method of analyzing a heavy metal component and a method of analyzing a water-soluble ion component according to a cool cloud and a warm cloud so that whether or not there is a change in each concentration of the ingredients can be determined, are provided, an experiment for the artificial rainfall can more effectively be performed.

Method and system of analyzing ingredients of artificial rainfall for verification of cloud seeding effect

Provided is a position control apparatus of an unmanned marine observation device, the position control apparatus including a main body part including a hollow portion into which the unmanned marine observation device is coupled, a movement part extending outward from the main body part and configured to move the unmanned marine observation device and the position control apparatus in the ocean, a GPS signal receiver configured to receive a GPS signal and produce position information on the basis of the GPS signal, and a controller configured to control an operation of the movement part on the basis of the GPS signal.

Position control apparatus of unmanned marine observation apparatus and controlling method thereof

Provided is an apparatus for assisting in dropping an unmanned marine observation device, the apparatus including a support part installed on a ship, a column part installed to be movable in a horizontal direction relative to the support part, a first link member having the other end linked to an upper side of the column part, a second link member having the other end linked to one end of the link member, and a holding unit installed on the second link member so as to be movable in a longitudinal direction of the second link member, in which the holding unit is configured to hold an outer periphery of the unmanned marine observation device.

Drop assist apparatus of unmanned marine observation apparatus and controlling method thereof

A method is provided of calculating the total amount of artificial precipitation in a seeded area compared to a non-seeded area, which is capable of increasing the reliability of quantitative determination of seeding effect, observation data, and numerical model prediction data obtained from artificial precipitation experiments, of increasing the amount of water resources through weather modification experiments, of accomplishing various effects (drought reduction, forest fire prevention, fine dust reduction, fog reduction, hail suppression, etc.) and other related applications through artificial rainfall experiments, of improving the accuracy of correction and prediction of a numerical model obtained through weather modification experiments based on observation data, of establishing experimental and observation strategies for improving seeding efficiency in weather modification experiments, of developing the field of study on cloud development and fine physical changes in the cloud after seeding, and of improving the economic feasibility of artificial rainfall experiments.

Calculation method of total artificial precipitation in seeding area compared to non-seeding area

Provided is a disdrometer system having a three-dimensional laser array unit, including: a plurality of laser transmitting parts which are arranged on an inner side of a cylindrical body to generate a laser beam; a plurality of laser receiving parts which are arranged on the inner side of the cylindrical body to correspond to the laser transmitting parts; and a laser control part which converts a cut-off signal of the laser beam, which is cut-off by precipitation drops flowing into the inner side of the cylindrical body, into an electrical signal, and records the converted electrical signal. Thus, the disdrometer system has an effect that the shape, volume, number, falling velocity of precipitation drops, and the intensity, density and weight of rainfall can be integrally measured.

Disdrometer system having a three-dimensional laser array unit

Growing community of inventors

Seoul, South Korea

Chulkyu Lee