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Questions related from Praveen Kumar Mishra
Hi, I would like to calculate the hydrological budget (HB) of the region which is partially covered by forest and heavily influenced by human activity. As I understand, the hydrological budget...
10 October 2019 1,459 3 View
In a correlation analysis, is there any rule/assumption that we should follow to calculate the p-values? For examples, (1) r (between Al2O3 and TiO2) = 0.65 n (observation) = 15 (2) r...
05 May 2019 10,006 7 View
Hello everyone, Recently, I was looking for some basic article regarding climate modeling, I found some interesting fact that some of the authors considered paleoclimate modeling is a very...
01 January 2019 6,366 5 View
I am a bit confused about the terminology used for Sunderban (in West Bengal, India). Is it a delta or estuarine settings. Or I would say, Sunderban is a complex system of the delta which...
06 June 2018 7,226 5 View
I have a geochemical data from the estuarine sediments. I would like to calculate the pollution and accumulation index of the samples. But I am a bit confused about which background value (UCC or...
12 December 2017 5,369 4 View
I am dealing with the various climate proxy data (e.g. geochemistry, pollen, isotopes, etc.) from various locations. I would like to compare statistically (component analysis) all the proxy data,...
12 December 2016 5,491 3 View
Need recent data (last 15 years) of temperature, monsoon precipitation and snow cover from Himalayan region. Any suggestion would be appreciated.
05 May 2016 8,869 6 View
Presence of magnesium ion in the water column plays a key role in the precipitation of aragonite mineral, although it's not represented in the chemical composition of aragonite (CaCO3).
01 January 2014 5,917 2 View
In the given examples, I am not able to decide whether the distribution is uni-modal or bi-modal. I think it is in between uni- or bimodal, but do not know if this kind of class exists or not....
05 May 2013 10,081 16 View
How to calculate percentile (50th, 16th, etc.) values from grain size distribution. I tried to calculate the percentile (see attachment) by two ways; one is directly from graph method and other...
05 May 2013 2,113 11 View
Tsunamis and cyclones are the most powerful and destructive natural hazards. One is related to seismic activity and other is meteorological. But in field, how can you distinguish between both...
01 January 2013 3,579 10 View
I have analyzed more than 50 samples of core sediments from a lake. I have plotted a simple scatter plot, as well as a 100% stacked area plot for each grain size (sand, silt, clay) percentage,...
12 December 2012 5,333 12 View
We have sediment cores from a lake and in the anoxic part (where we have varves), we have alternate carbonate and organic layers. In the same varve layers we do not have any tree pollen. Can...
12 December 2012 7,034 10 View
I have the sediment cores and i would like to date the sediments using bacteria.
09 September 2012 9,646 3 View
