Why radiocarbon measurements are not true calendar ages Radiocarbon measurements are always reported in terms of years `before present (BP). This figure is directly based on the proportion of radiocarbon found in the sample.

What does BP stand for in dating?

years before present The ages are expressed in years before present (BP) where present is defined as AD 1950.

What is the difference between BC and BP?

Dates can be expressed as AD, BC, BCE (before common era), and BP (before present). The accepted way to represent C-14 ages is in terms of years BP, where the year 1950 is used as the present. (1950 is the date that the calibration curves were established.

What is the full mean of BP?

blood pressure BP: Commonly used abbreviation for blood pressure. 6 Ht60/reg R15, which signifies that the blood pressure (BP) is 90/60 mm Hg, the temperature (T) is 98.6° Fahrenheit, the heart rate (Ht) is 60 beats per minute and regular, and respirations are occurring at 15 per minute.

What does BP mean after a name?

It was renamed the Anglo-Iranian Oil Company, Ltd., in 1935 and changed its name to the British Petroleum Company Limited in 1954. The name British Petroleum Company PLC was adopted in 1982. After merging with Amoco in 1998, the corporation took the name BP Amoco before assuming the name BP PLC in 2000.