북한산국립공원 북한산성-인수봉 지역의 산림군집구조

추갑철 ( Gab Cheul Choo ),엄태원 ( Tae Won Um ),김갑태 ( Gab Tae Kim ),박삼봉 ( Sam Bong Park ),안효현 ( Hyo Hyeon An ),김남호 ( Nam Ho Kim ),김희정 ( Hee Jung Kim ) 한국환경생태학회 2008 한국환경생태학회지 Vol.22 No.2

북한산 국립공원지역의 식생구조를 파악하고자, 북한산성에서 인수봉에 이르는 지역에 16개의 방형구(2500㎡)를 설정하여 식생을 조사하였다. 식물군집을 분류한 결과 16개 조사구는 신갈나무 혼효림 군집, 소나무-신갈나무 군집, 신갈나무 우점군집의 3개 군집으로 분류되었다. 북한산 국립공원내 북한산성에서 인수봉에 이르는 지역의 우점수종은 신갈나무로 나타났다. 수종간의 상관관계는 신갈나무와 진달래, 신갈나무와 개옻나무, 진달래와 철쭉, 노린재나무와 철쭉, 당단풍과 함박꽃나무 등의 수종들 간에는 높은 정의상관이 인정 되었고, 물푸레나무와 진달래, 노간주나무와 당단풍, 쪽동백나무와 당단풍 등의 수종들간에 부의 상관이 비교적 높은 편이다. 조사지의 군집별 종 다양성도는 1.23 6~1.319의 범위로 다른 국립공원들의 능선부 식생에 비하여 비교적 높게 나타났다. To investigate the vegetation structure of the region from Bukhansanseong to Insubong in Bukhansan National park, 16 plost(2500㎡) set up with random sampling method were surveyed. Three groups Quercus mongolica -Mixed Broad Ieaved community, Pinus densiflora -Quercus mongolica community, Quercus mongolica community was classified (or communities were classified) by cluster analysis. Quercus mongolica were found as a major woody plant species in Bukhansan National park region. High positive correlation were proved between Quercus mongolica and Rhododendron; Quercus mongolica and Rhus tricocarpa; Rhododendron mucronulatum and Rhododendron schlippenbachi; Symplocos chinensis and Rhododendron schlippenbachii; Acer pseudosieboldianum and Magnolia sieboldii, and relatively high negative correlation was proved between Fraxinus rhynchophylla and Rhododendron mucronulatum; Juniperus rigida and Acer pseudosieboldianum; Styrax obassia and Acer pseudosieboldianum. Species diversity(H`) of investigated groups were ranged from 1.236~1.319 and it was relatively high compared to those of the ridge area of other national parks.

북한산국립공원의 계류수질 보전 전략(I)

박재현,우보명,김우룡,안현철,조현서,추갑철,김춘식,최형태,Park, Jae-Hyeon,Woo, Bo-Myeong,Kim, Oue-Ryong,Ahn, Hyun-Chul,Cho, Hyun-Seo,Choo, Gab-Chul,Kim, Choon-Sig,Choi, Hyung-Tae 한국환경복원기술학회 2001 한국환경복원기술학회지 Vol.4 No.3

This study was conducted to investigate physicochemical property changes from July 1998 to August 2001 in Mt. Bukhansan National Park. Four water sampling points were selected to measure the quality of stream water in the northeastern part of the Mt. Bukhansan National Park. The results were summarized as follows; In spring, the average pH of stream water was below the first class of the river water quality standard, while it was normal level in summer. The average electrical conductivity was about 2.3~3.3 times higher in downstream water than in upstream water during spring and summer. The contents of anions($Cl^-$, $NO{_3}^-$, $SO{_4}^{2-}$) were about 1.1~7.4 and 0.4~11.4 times higher in downstream than in upstream water, respectively. These results indicate that water quality was poorer in downstream than in upstream water. We suggest that stream water in the Mt. Bukhansan National Park should be protected from impacts of snow melting mineral particles in spring season and human impacts like wastewater of point source in summer season.

지리산 등산로변의 수목조사 : 동부지역을 중심으로

추갑철,김봉규,박삼봉 진주산업대학교 산업과학기술연구소 2005 산업과학기술연구소보 Vol.- No.12

지리산 동부지역 등산로 8구간(1;거림매표소-세석대피소, 2;중산리매표소-칼바위-로타리대피소, 3;세석대피소-장터목대피소, 4;장터목대피소-천왕봉, 5;로타리대피소-천왕봉, 6;자연학습원-로타리산장, 7;중산리-자연학습원, 8;장터목대피소-백무동매표소)의 목본식물을 조사한 결과 37과 66속 99종 13변종 2품종으로 총 114종류가 조사되었다. 이들 중 상록침엽수는 주목, 개비자나무, 잣나무, 소나무, 구상나무, 가문비나무, 등 6종이고, 낙엽침엽수는 낙엽송 1종만 나타났다. 한국 특산종으로는 개비자나무, 잣나무, 구상나무, 매자나무, 매화말발도리, 산앵도나무, 노각나무, 딱총나무 등이 조사되었다. 전 구간에 걸쳐 나타나는 수종으로는 신갈나무, 함박꽃나무, 철쭉 등이 조사되었고, 가장 수종이 많은 구간은 제 1조사구로 32과 49속 72종류이고, 종의 수가 가장적은 구간은 제 4조사구로 11과 20속 23종류가 조사되었다. 본 연구에서 제시된 결과는 국립공원 탐방로 관리방안에 있어 유용한 기초정보를 제공 할 것으로 기대된다. The woody plants species were investigated as 114 taxa; 37 families, 66 genus, 99 species, 13 varieties, 2 forms in the whole 8 trails surveyed areas of eastern parts of Chirisan(1; Georim valley~Sesok shelter, 2; Jungsanri valley~Rotari shelter, 3; Sesok shelter~Jangtomok shelter, 4; Jangtomok shelter~Chonwangbong, 5; Chonwangbong~Rotari shelte, 6; Jayeonhagsubwon~Rotari shelter, 7; Jungsanri Valley~ayeonhagsubwon, 8; Jangtomok shelter~Baengmudong). The narrow-leaved evergreens were 6 species. There are Taxus cuspidata, Cephalotaxus koreana, Pinus koraiensis, Pinus densiflora, Abies koreana, Picea jezoensis. The narrow-leaved deciduous was Larix leptolepis. The endemic woody plants to korea of Chirisan were 8 species. There are Cephalotaxus koreana, Pinus koraiensis, Abies koreana, Berberis koreana, Deutzia coreana, Vaccinium koreanum, Stewartia koreana, Samvucus williamsii var. coreana. In all area surveyed woody plants were Quercus mongolica, Magnolia sieboldii, Rhododendron schlippenbachii. Findings of the study expect to be used as fundamentals in trail management strategy making for Korean national parks.

蘇聯의 對韓 外交 政策 : 主로 韓國戰爭을 中心으로 mainly concentrating on Korean War

朴柱璜 全北大學校 1972 論文集 Vol.14 No.-

한국전쟁에 있어서의 소련정책으로부터 배울 한가지 교훈이 있었다. 공산주의진영에 인접한 지역을 자유진영이 방위할 책임이 없다는 내용의 자유진영정책의 발표를 모스크바에서는 문자 그대로 받아들여 팽창정책을 추구하되 국지전쟁의 방법을 써서 하도록 전략적 결정을 내리는데 영햐을 미쳤다는 것이다. 또하난의 다른 교훈은 전선에서 초반전에 패북을 당했을 때 소련정부는 그 손실을 축소하려 하지않고 오히려 공산주의자들이 북한의 영토를 군사적으로나 정치적으로 재차 원상대로 확고히 지배할 수 있기까지 전쟁을 강화해 나갔다는 것이다. 그런 후에야 비로소 공산주의측은 전투중지에 동의했고 다른 수법으로 투쟁을 계속해 나가려고 휴전회담을 수락했던 것이다.

和順 地域 石灰岩 鑛床의 地質과 開發에 關한 硏究

朴永錫,梁海承,姜秋遠 조선대학교 생산기술연구소 1981 生産技術硏究 Vol.1981 No.-

The purpose of this paper is to identify the geology of limestone deposit in Hwasun area so that the most reasonable development method can be planned. The detailed geological study were carried out several times during the period of February 1979 to August 1980. The samples taken under such geological studies of Hwasun area were observed by microscope the composition, the grade of minerals, and the states of re-crystallization. The limestone deposit of the studied area is principally distributed under the Sulokri and Osanri formations. The limestone deposit under the Sulokri formation, however, has no economic value due to the presence of slate and the uncontinuity of strata. The limestone deposited under Osanri formation seems to be reasonably economical in A and B areas. The results of chemical analysis and the estimated reserves by 168 samples of this area are as follows : 1. Chemical compositions of A area; CaO 46.2%, MgO 3.1% 2. Chemical compositions of B area; CaO 45.8%, MgO 3.3% 3. The estimated minable reserves of limestone in B area is approximately 10 million tons of which can be valuable for raw material of cement.

仁川의 貿易衰退와 工業發展

朴春子 梨花女子大學校 師範大學 社會生活科 1963 綠友硏究論集 Vol.- No.5

2단 폭기방식에 의한 도시생활하수 처리에 관한 연구

박진식,문추연,김동일 경운대학교 산업기술연구소 2000 産業技術硏究論文誌 Vol.3 No.1(A)

In this study, sewage were treated with Two-step Aeration System, it was analyzed treatment efficiency by hydraulic retention time(HRT) in a 2nd. aeration basin. As to the increase of HRT 4∼10hr in a 2nd. aeration basin, treatment efficiency was increased but in consideration of economical efficiency, HRT 8hr was most stable. At Two-step Aeration System of HRT 8hr, BOD treatment efficiency were 90.1%, 84.6%, respectively. At Two-step Aeration System of HRT 8hr, range of F/M ratio was 0.11∼0.17kg·BOD/kg·MLSS.d. At Two-step Aeration System of HRT 8hr treatment efficiencies and effluent concentrations of NH₄^+-N and PO₄-P were 57.3%, 10.5mh/l and 33.9%, 1.74mg/l, respectively.

굴껍질에 의한 산성폐수 중화능에 관한 연구

박진식,장성호,문추연,성낙창,김수생 동아대학교 환경문제연구소 1995 硏究報告 Vol.18 No.2

This Study has been carried out to evaluate the neutralization ability of waste oyster shelles. The results of this study are summerized as following ; 1. For reactiontime, neutralization effective were investigate smally but pH variations were investigate largely for 10 minutes reactiontime. 2. pH variations with dosage of oyster shelles were small except pH 2 3. Therefore, waste oyster shelles is able to neutralize for acid wastewater.

中共의 對韓 外交 政策 : 主로 韓國戰爭을 中心으로 mainly concentrating on Korean War

朴柱璜 全北大學校 1972 論文集 Vol.14 No.-

수소화된 비정질 규소박막의 정상상태 광전기 전도도 측정에 의한 재결합 과정의 연구

박혁렬,이주천 木浦大學校基礎科學硏究所 1985 基礎科學硏究誌 Vol.3 No.-

Steady-state photoconductivity measurements are made on thin films of hydrogenated amorphous silicon(a-Si-:H) prepared by RF glow discharge of silane(SiH₄) as a function of temperatures and excitation light intensities. The experimental results are explained on the basis of the proposed recombination model considering at least two set of localized states in addition to the extended electron and hole states.