Preface I am pleased to contribute an article to GSIS to commemorate the great achievements of Prof.Dr.Gottfried Konecny on the occasion of the celebration of his 90th birthday.I was lucky to work closely with Gottfri...Preface I am pleased to contribute an article to GSIS to commemorate the great achievements of Prof.Dr.Gottfried Konecny on the occasion of the celebration of his 90th birthday.I was lucky to work closely with Gottfried as an ISPRS Council member for the first time in 1984 in Rio de Janeiro,Brazil,when I was elected as Congress Director of the Kyoto ISPRS Congress to be held in 1988.Gottfried was elected as ISPRS President for 1984~1988.At the first Council meeting under the President Gottfried,he said to all Council members“as we are like a family,I request that we address each other by our first names”.If he had not said this,I might have called him Professor Konecny,according to Japanese custom.展开更多
Prediction of earthquakes using GPS remains an unsolved but important problem.Pre-signals in terms of changes in triangular networks of GPS Stations were examined for many large earthquakes in Japan and in other Asian...Prediction of earthquakes using GPS remains an unsolved but important problem.Pre-signals in terms of changes in triangular networks of GPS Stations were examined for many large earthquakes in Japan and in other Asian regions.I discovered that the occurrence and location of an earthquake can be predicted with pre-signals found in GPS data analysis.However,more research is required to predict how many days after the pre-signals an earthquake will occur.展开更多
文摘Preface I am pleased to contribute an article to GSIS to commemorate the great achievements of Prof.Dr.Gottfried Konecny on the occasion of the celebration of his 90th birthday.I was lucky to work closely with Gottfried as an ISPRS Council member for the first time in 1984 in Rio de Janeiro,Brazil,when I was elected as Congress Director of the Kyoto ISPRS Congress to be held in 1988.Gottfried was elected as ISPRS President for 1984~1988.At the first Council meeting under the President Gottfried,he said to all Council members“as we are like a family,I request that we address each other by our first names”.If he had not said this,I might have called him Professor Konecny,according to Japanese custom.
文摘Prediction of earthquakes using GPS remains an unsolved but important problem.Pre-signals in terms of changes in triangular networks of GPS Stations were examined for many large earthquakes in Japan and in other Asian regions.I discovered that the occurrence and location of an earthquake can be predicted with pre-signals found in GPS data analysis.However,more research is required to predict how many days after the pre-signals an earthquake will occur.
