Benjamin W. Abbott

9 Questions 8 Answers 0 Followers

Questions related from Benjamin W. Abbott

How much of the ocean CO2 sink is transitory?

Since 1850 59% of atmospheric CO2 emissions have been taken up by terrestrial and marine sinks according to AR6 (see attached image). This amounts to 1430 Gt of CO2. Unlike the terrestrial sink,...

27 September 2021 6,015 3 View

Are there any estimates of global-scale water storage in snowpack?

We are compiling global-scale water pools and fluxes and would like to include temporary snowpack (i.e. not perennial ice sheets, glaciers, or snow fields). Is anyone aware of a global-scale...

25 October 2018 3,744 1 View

What are good methods for determining temporal covariance among many sites?

We are trying to quantify synchrony in water chemistry variation among several hundred sites. For each site we have a time-series of concentration. We'd like to quantify the overall temporal...

02 May 2018 6,705 7 View

What percentage of ocean volume is deep water (often defined as neutral density > 28.11)?

We are working on a revised version of the global water cycle and need estimates of surface and deep ocean water. We have found several estimates from popular sources (websites and magazines)...

25 April 2018 3,015 3 View

Any opinions on the best elemental analyzer for total carbon and nitrogen of soil samples (Leco, Elementar, Costech, etc.)?

We are replacing an old CN analyzer in our communal lab and are reaching out for any recommendations on equipment. Ease of use, purchase and maintenance cost, and reliability are our main...

13 February 2018 9,821 1 View

What is the best dissolved organic/inorganic carbon and total nitrogen analyzer? Considerations are accuracy, volume needed, and cost?

We are considering the purchase of a new dissolved carbon and nitrogen analyzer. We would like to know what are the most reliable and economic options. If you know the ballpark cost of an analyzer...

07 February 2018 6,822 5 View

Where are the best places to advertise graduate student positions in ecology, ecohydrology, and environmental science?

We are recruiting two M.S. or Ph.D. students to work on Arctic and agricultural ecohydrology, ecosystem ecology, and expert assessment. We would like to reach the largest possible audience and...

21 November 2017 9,001 8 View

What is the best spectrofluorometer for excitation-emission matrix (EEM) analysis of dissolved organic matter?

We are purchasing a spectrofluorometer for EEMs analysis and were wondering if anyone had equipment advice. It seems like Horiba's Aqualog is the standard for DOM characterization, but Shimadzu...

27 April 2017 7,067 13 View

What is the best ion chromatography equipment?

We are about to order an ion chromatography system for analysis of anions, cations, and some organic compounds. I have only worked with Dionex systems in the past and wanted to know what else was...

31 March 2017 6,350 5 View